221383152

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 160

約数和(自身を含む): 669163520

約数和(自身を除く): 447780368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 61, 62, 72, 93, 108, 122, 124, 144, 183, 186, 216, 244, 248, 271, 279, 366, 372, 432, 488, 496, 542, 549, 558, 732, 744, 813, 837, 976, 1084, 1098, 1116, 1464, 1488, 1626, 1647, 1674, 1891, 2168, 2196, 2232, 2439, 2928, 3252, 3294, 3348, 3782, 4336, 4392, 4464, 4878, 5673, 6504, 6588, 6696, 7317, 7564, 8401, 8784, 9756, 11346, 13008, 13176, 13392, 14634, 15128, 16531, 16802, 17019, 19512, 22692, 25203, 26352, 29268, 30256, 33062, 33604, 34038, 39024, 45384, 49593, 50406, 51057, 58536, 66124, 67208, 68076, 75609, 90768, 99186, 100812, 102114, 117072, 132248, 134416, 136152, 148779, 151218, 198372, 201624, 204228, 226827, 264496, 272304, 297558, 302436, 396744, 403248, 408456, 446337, 453654, 512461, 595116, 604872, 793488, 816912, 892674, 907308, 1024922, 1190232, 1209744, 1537383, 1785348, 1814616, 2049844, 2380464, 3074766, 3570696, 3629232, 4099688, 4612149, 6149532, 7141392, 8199376, 9224298, 12299064, 13836447, 18448596, 24598128, 27672894, 36897192, 55345788, 73794384, 110691576, 221383152]

約数ペア:

[(1, 221383152), (2, 110691576), (3, 73794384), (4, 55345788), (6, 36897192), (8, 27672894), (9, 24598128), (12, 18448596), (16, 13836447), (18, 12299064), (24, 9224298), (27, 8199376), (31, 7141392), (36, 6149532), (48, 4612149), (54, 4099688), (61, 3629232), (62, 3570696), (72, 3074766), (93, 2380464), (108, 2049844), (122, 1814616), (124, 1785348), (144, 1537383), (183, 1209744), (186, 1190232), (216, 1024922), (244, 907308), (248, 892674), (271, 816912), (279, 793488), (366, 604872), (372, 595116), (432, 512461), (488, 453654), (496, 446337), (542, 408456), (549, 403248), (558, 396744), (732, 302436), (744, 297558), (813, 272304), (837, 264496), (976, 226827), (1084, 204228), (1098, 201624), (1116, 198372), (1464, 151218), (1488, 148779), (1626, 136152), (1647, 134416), (1674, 132248), (1891, 117072), (2168, 102114), (2196, 100812), (2232, 99186), (2439, 90768), (2928, 75609), (3252, 68076), (3294, 67208), (3348, 66124), (3782, 58536), (4336, 51057), (4392, 50406), (4464, 49593), (4878, 45384), (5673, 39024), (6504, 34038), (6588, 33604), (6696, 33062), (7317, 30256), (7564, 29268), (8401, 26352), (8784, 25203), (9756, 22692), (11346, 19512), (13008, 17019), (13176, 16802), (13392, 16531), (14634, 15128)]