221180256

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^3\times {\mathrm{577}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 693031248

約数和(自身を除く): 471850992

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 121, 132, 144, 176, 198, 242, 264, 288, 352, 363, 396, 484, 528, 577, 726, 792, 968, 1056, 1089, 1154, 1331, 1452, 1584, 1731, 1936, 2178, 2308, 2662, 2904, 3168, 3462, 3872, 3993, 4356, 4616, 5193, 5324, 5808, 6347, 6924, 7986, 8712, 9232, 10386, 10648, 11616, 11979, 12694, 13848, 15972, 17424, 18464, 19041, 20772, 21296, 23958, 25388, 27696, 31944, 34848, 38082, 41544, 42592, 47916, 50776, 55392, 57123, 63888, 69817, 76164, 83088, 95832, 101552, 114246, 127776, 139634, 152328, 166176, 191664, 203104, 209451, 228492, 279268, 304656, 383328, 418902, 456984, 558536, 609312, 628353, 767987, 837804, 913968, 1117072, 1256706, 1535974, 1675608, 1827936, 2234144, 2303961, 2513412, 3071948, 3351216, 4607922, 5026824, 6143896, 6702432, 6911883, 9215844, 10053648, 12287792, 13823766, 18431688, 20107296, 24575584, 27647532, 36863376, 55295064, 73726752, 110590128, 221180256]

約数ペア:

[(1, 221180256), (2, 110590128), (3, 73726752), (4, 55295064), (6, 36863376), (8, 27647532), (9, 24575584), (11, 20107296), (12, 18431688), (16, 13823766), (18, 12287792), (22, 10053648), (24, 9215844), (32, 6911883), (33, 6702432), (36, 6143896), (44, 5026824), (48, 4607922), (66, 3351216), (72, 3071948), (88, 2513412), (96, 2303961), (99, 2234144), (121, 1827936), (132, 1675608), (144, 1535974), (176, 1256706), (198, 1117072), (242, 913968), (264, 837804), (288, 767987), (352, 628353), (363, 609312), (396, 558536), (484, 456984), (528, 418902), (577, 383328), (726, 304656), (792, 279268), (968, 228492), (1056, 209451), (1089, 203104), (1154, 191664), (1331, 166176), (1452, 152328), (1584, 139634), (1731, 127776), (1936, 114246), (2178, 101552), (2308, 95832), (2662, 83088), (2904, 76164), (3168, 69817), (3462, 63888), (3872, 57123), (3993, 55392), (4356, 50776), (4616, 47916), (5193, 42592), (5324, 41544), (5808, 38082), (6347, 34848), (6924, 31944), (7986, 27696), (8712, 25388), (9232, 23958), (10386, 21296), (10648, 20772), (11616, 19041), (11979, 18464), (12694, 17424), (13848, 15972)]