28010484

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 76993280

約数和(自身を除く): 48982796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1116, 1178, 1321, 1767, 2356, 2642, 3534, 3963, 5284, 5301, 7068, 7926, 10602, 11889, 15852, 21204, 23778, 25099, 40951, 47556, 50198, 75297, 81902, 100396, 122853, 150594, 163804, 225891, 245706, 301188, 368559, 451782, 491412, 737118, 778069, 903564, 1474236, 1556138, 2334207, 3112276, 4668414, 7002621, 9336828, 14005242, 28010484]

約数ペア:

[(1, 28010484), (2, 14005242), (3, 9336828), (4, 7002621), (6, 4668414), (9, 3112276), (12, 2334207), (18, 1556138), (19, 1474236), (31, 903564), (36, 778069), (38, 737118), (57, 491412), (62, 451782), (76, 368559), (93, 301188), (114, 245706), (124, 225891), (171, 163804), (186, 150594), (228, 122853), (279, 100396), (342, 81902), (372, 75297), (558, 50198), (589, 47556), (684, 40951), (1116, 25099), (1178, 23778), (1321, 21204), (1767, 15852), (2356, 11889), (2642, 10602), (3534, 7926), (3963, 7068), (5284, 5301)]