26720028

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 70966896

約数和(自身を除く): 44246868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 369, 387, 421, 492, 516, 738, 774, 842, 1263, 1476, 1548, 1684, 1763, 2526, 3526, 3789, 5052, 5289, 7052, 7578, 10578, 15156, 15867, 17261, 18103, 21156, 31734, 34522, 36206, 51783, 54309, 63468, 69044, 72412, 103566, 108618, 155349, 162927, 207132, 217236, 310698, 325854, 621396, 651708, 742223, 1484446, 2226669, 2968892, 4453338, 6680007, 8906676, 13360014, 26720028]

約数ペア:

[(1, 26720028), (2, 13360014), (3, 8906676), (4, 6680007), (6, 4453338), (9, 2968892), (12, 2226669), (18, 1484446), (36, 742223), (41, 651708), (43, 621396), (82, 325854), (86, 310698), (123, 217236), (129, 207132), (164, 162927), (172, 155349), (246, 108618), (258, 103566), (369, 72412), (387, 69044), (421, 63468), (492, 54309), (516, 51783), (738, 36206), (774, 34522), (842, 31734), (1263, 21156), (1476, 18103), (1548, 17261), (1684, 15867), (1763, 15156), (2526, 10578), (3526, 7578), (3789, 7052), (5052, 5289)]