28712268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3229}}^1$

素因数の和:3271

約数の個数: 72

約数和(自身を含む): 82300400

約数和(自身を除く): 53588132

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 3229, 4446, 6458, 8892, 9687, 12916, 19374, 29061, 38748, 41977, 58122, 61351, 83954, 116244, 122702, 125931, 167908, 184053, 245404, 251862, 368106, 377793, 503724, 552159, 736212, 755586, 797563, 1104318, 1511172, 1595126, 2208636, 2392689, 3190252, 4785378, 7178067, 9570756, 14356134, 28712268]

約数ペア:

[(1, 28712268), (2, 14356134), (3, 9570756), (4, 7178067), (6, 4785378), (9, 3190252), (12, 2392689), (13, 2208636), (18, 1595126), (19, 1511172), (26, 1104318), (36, 797563), (38, 755586), (39, 736212), (52, 552159), (57, 503724), (76, 377793), (78, 368106), (114, 251862), (117, 245404), (156, 184053), (171, 167908), (228, 125931), (234, 122702), (247, 116244), (342, 83954), (468, 61351), (494, 58122), (684, 41977), (741, 38748), (988, 29061), (1482, 19374), (2223, 12916), (2964, 9687), (3229, 8892), (4446, 6458)]