81316452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 223776000

約数和(自身を除く): 142459548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 89, 146, 149, 178, 219, 267, 292, 298, 356, 438, 447, 511, 534, 596, 623, 876, 894, 1022, 1043, 1068, 1246, 1533, 1788, 1869, 2044, 2086, 2492, 3066, 3129, 3738, 4172, 6132, 6258, 6497, 7476, 10877, 12516, 12994, 13261, 19491, 21754, 25988, 26522, 32631, 38982, 39783, 43508, 45479, 53044, 65262, 76139, 77964, 79566, 90958, 92827, 130524, 136437, 152278, 159132, 181916, 185654, 228417, 272874, 278481, 304556, 371308, 456834, 545748, 556962, 913668, 968053, 1113924, 1936106, 2904159, 3872212, 5808318, 6776371, 11616636, 13552742, 20329113, 27105484, 40658226, 81316452]

約数ペア:

[(1, 81316452), (2, 40658226), (3, 27105484), (4, 20329113), (6, 13552742), (7, 11616636), (12, 6776371), (14, 5808318), (21, 3872212), (28, 2904159), (42, 1936106), (73, 1113924), (84, 968053), (89, 913668), (146, 556962), (149, 545748), (178, 456834), (219, 371308), (267, 304556), (292, 278481), (298, 272874), (356, 228417), (438, 185654), (447, 181916), (511, 159132), (534, 152278), (596, 136437), (623, 130524), (876, 92827), (894, 90958), (1022, 79566), (1043, 77964), (1068, 76139), (1246, 65262), (1533, 53044), (1788, 45479), (1869, 43508), (2044, 39783), (2086, 38982), (2492, 32631), (3066, 26522), (3129, 25988), (3738, 21754), (4172, 19491), (6132, 13261), (6258, 12994), (6497, 12516), (7476, 10877)]