217493892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2590

約数の個数: 144

約数和(自身を含む): 707825664

約数和(自身を除く): 490331772

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 31, 33, 36, 42, 44, 62, 63, 66, 77, 84, 93, 99, 124, 126, 132, 154, 186, 198, 217, 231, 252, 279, 308, 341, 372, 396, 434, 462, 558, 651, 682, 693, 868, 924, 1023, 1116, 1302, 1364, 1386, 1953, 2046, 2387, 2531, 2604, 2772, 3069, 3906, 4092, 4774, 5062, 6138, 7161, 7593, 7812, 9548, 10124, 12276, 14322, 15186, 17717, 21483, 22779, 27841, 28644, 30372, 35434, 42966, 45558, 53151, 55682, 70868, 78461, 83523, 85932, 91116, 106302, 111364, 156922, 159453, 167046, 194887, 212604, 235383, 250569, 313844, 318906, 334092, 389774, 470766, 501138, 549227, 584661, 637812, 706149, 779548, 863071, 941532, 1002276, 1098454, 1169322, 1412298, 1647681, 1726142, 1753983, 2196908, 2338644, 2589213, 2824596, 3295362, 3452284, 3507966, 4943043, 5178426, 6041497, 6590724, 7015932, 7767639, 9886086, 10356852, 12082994, 15535278, 18124491, 19772172, 24165988, 31070556, 36248982, 54373473, 72497964, 108746946, 217493892]

約数ペア:

[(1, 217493892), (2, 108746946), (3, 72497964), (4, 54373473), (6, 36248982), (7, 31070556), (9, 24165988), (11, 19772172), (12, 18124491), (14, 15535278), (18, 12082994), (21, 10356852), (22, 9886086), (28, 7767639), (31, 7015932), (33, 6590724), (36, 6041497), (42, 5178426), (44, 4943043), (62, 3507966), (63, 3452284), (66, 3295362), (77, 2824596), (84, 2589213), (93, 2338644), (99, 2196908), (124, 1753983), (126, 1726142), (132, 1647681), (154, 1412298), (186, 1169322), (198, 1098454), (217, 1002276), (231, 941532), (252, 863071), (279, 779548), (308, 706149), (341, 637812), (372, 584661), (396, 549227), (434, 501138), (462, 470766), (558, 389774), (651, 334092), (682, 318906), (693, 313844), (868, 250569), (924, 235383), (1023, 212604), (1116, 194887), (1302, 167046), (1364, 159453), (1386, 156922), (1953, 111364), (2046, 106302), (2387, 91116), (2531, 85932), (2604, 83523), (2772, 78461), (3069, 70868), (3906, 55682), (4092, 53151), (4774, 45558), (5062, 42966), (6138, 35434), (7161, 30372), (7593, 28644), (7812, 27841), (9548, 22779), (10124, 21483), (12276, 17717), (14322, 15186)]