221467428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1106

約数の個数: 144

約数和(自身を含む): 699986560

約数和(自身を除く): 478519132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 67, 78, 84, 91, 117, 126, 134, 156, 182, 201, 234, 252, 268, 273, 364, 402, 468, 469, 546, 603, 804, 819, 871, 938, 1009, 1092, 1206, 1407, 1638, 1742, 1876, 2018, 2412, 2613, 2814, 3027, 3276, 3484, 4036, 4221, 5226, 5628, 6054, 6097, 7063, 7839, 8442, 9081, 10452, 12108, 12194, 13117, 14126, 15678, 16884, 18162, 18291, 21189, 24388, 26234, 28252, 31356, 36324, 36582, 39351, 42378, 52468, 54873, 63567, 67603, 73164, 78702, 84756, 91819, 109746, 118053, 127134, 135206, 157404, 183638, 202809, 219492, 236106, 254268, 270412, 275457, 367276, 405618, 472212, 473221, 550914, 608427, 811236, 826371, 878839, 946442, 1101828, 1216854, 1419663, 1652742, 1757678, 1892884, 2433708, 2636517, 2839326, 3305484, 3515356, 4258989, 5273034, 5678652, 6151873, 7909551, 8517978, 10546068, 12303746, 15819102, 17035956, 18455619, 24607492, 31638204, 36911238, 55366857, 73822476, 110733714, 221467428]

約数ペア:

[(1, 221467428), (2, 110733714), (3, 73822476), (4, 55366857), (6, 36911238), (7, 31638204), (9, 24607492), (12, 18455619), (13, 17035956), (14, 15819102), (18, 12303746), (21, 10546068), (26, 8517978), (28, 7909551), (36, 6151873), (39, 5678652), (42, 5273034), (52, 4258989), (63, 3515356), (67, 3305484), (78, 2839326), (84, 2636517), (91, 2433708), (117, 1892884), (126, 1757678), (134, 1652742), (156, 1419663), (182, 1216854), (201, 1101828), (234, 946442), (252, 878839), (268, 826371), (273, 811236), (364, 608427), (402, 550914), (468, 473221), (469, 472212), (546, 405618), (603, 367276), (804, 275457), (819, 270412), (871, 254268), (938, 236106), (1009, 219492), (1092, 202809), (1206, 183638), (1407, 157404), (1638, 135206), (1742, 127134), (1876, 118053), (2018, 109746), (2412, 91819), (2613, 84756), (2814, 78702), (3027, 73164), (3276, 67603), (3484, 63567), (4036, 54873), (4221, 52468), (5226, 42378), (5628, 39351), (6054, 36582), (6097, 36324), (7063, 31356), (7839, 28252), (8442, 26234), (9081, 24388), (10452, 21189), (12108, 18291), (12194, 18162), (13117, 16884), (14126, 15678)]