28323708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 79564800

約数和(自身を除く): 51241092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 73, 84, 93, 124, 146, 149, 186, 217, 219, 292, 298, 372, 434, 438, 447, 511, 596, 651, 868, 876, 894, 1022, 1043, 1302, 1533, 1788, 2044, 2086, 2263, 2604, 3066, 3129, 4172, 4526, 4619, 6132, 6258, 6789, 9052, 9238, 10877, 12516, 13578, 13857, 15841, 18476, 21754, 27156, 27714, 31682, 32333, 32631, 43508, 47523, 55428, 63364, 64666, 65262, 76139, 95046, 96999, 129332, 130524, 152278, 190092, 193998, 228417, 304556, 337187, 387996, 456834, 674374, 913668, 1011561, 1348748, 2023122, 2360309, 4046244, 4720618, 7080927, 9441236, 14161854, 28323708]

約数ペア:

[(1, 28323708), (2, 14161854), (3, 9441236), (4, 7080927), (6, 4720618), (7, 4046244), (12, 2360309), (14, 2023122), (21, 1348748), (28, 1011561), (31, 913668), (42, 674374), (62, 456834), (73, 387996), (84, 337187), (93, 304556), (124, 228417), (146, 193998), (149, 190092), (186, 152278), (217, 130524), (219, 129332), (292, 96999), (298, 95046), (372, 76139), (434, 65262), (438, 64666), (447, 63364), (511, 55428), (596, 47523), (651, 43508), (868, 32631), (876, 32333), (894, 31682), (1022, 27714), (1043, 27156), (1302, 21754), (1533, 18476), (1788, 15841), (2044, 13857), (2086, 13578), (2263, 12516), (2604, 10877), (3066, 9238), (3129, 9052), (4172, 6789), (4526, 6258), (4619, 6132)]