81425484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5297}}^1$

素因数の和:5375

約数の個数: 72

約数和(自身を含む): 239130528

約数和(自身を除く): 157705044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 5297, 7686, 10594, 15372, 15891, 21188, 31782, 37079, 47673, 63564, 74158, 95346, 111237, 148316, 190692, 222474, 323117, 333711, 444948, 646234, 667422, 969351, 1292468, 1334844, 1938702, 2261819, 2908053, 3877404, 4523638, 5816106, 6785457, 9047276, 11632212, 13570914, 20356371, 27141828, 40712742, 81425484]

約数ペア:

[(1, 81425484), (2, 40712742), (3, 27141828), (4, 20356371), (6, 13570914), (7, 11632212), (9, 9047276), (12, 6785457), (14, 5816106), (18, 4523638), (21, 3877404), (28, 2908053), (36, 2261819), (42, 1938702), (61, 1334844), (63, 1292468), (84, 969351), (122, 667422), (126, 646234), (183, 444948), (244, 333711), (252, 323117), (366, 222474), (427, 190692), (549, 148316), (732, 111237), (854, 95346), (1098, 74158), (1281, 63564), (1708, 47673), (2196, 37079), (2562, 31782), (3843, 21188), (5124, 15891), (5297, 15372), (7686, 10594)]