28643664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 85248512

約数和(自身を除く): 56604848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 163, 168, 326, 336, 489, 523, 652, 978, 1046, 1141, 1304, 1569, 1956, 2092, 2282, 2608, 3138, 3423, 3661, 3912, 4184, 4564, 6276, 6846, 7322, 7824, 8368, 9128, 10983, 12552, 13692, 14644, 18256, 21966, 25104, 27384, 29288, 43932, 54768, 58576, 85249, 87864, 170498, 175728, 255747, 340996, 511494, 596743, 681992, 1022988, 1193486, 1363984, 1790229, 2045976, 2386972, 3580458, 4091952, 4773944, 7160916, 9547888, 14321832, 28643664]

約数ペア:

[(1, 28643664), (2, 14321832), (3, 9547888), (4, 7160916), (6, 4773944), (7, 4091952), (8, 3580458), (12, 2386972), (14, 2045976), (16, 1790229), (21, 1363984), (24, 1193486), (28, 1022988), (42, 681992), (48, 596743), (56, 511494), (84, 340996), (112, 255747), (163, 175728), (168, 170498), (326, 87864), (336, 85249), (489, 58576), (523, 54768), (652, 43932), (978, 29288), (1046, 27384), (1141, 25104), (1304, 21966), (1569, 18256), (1956, 14644), (2092, 13692), (2282, 12552), (2608, 10983), (3138, 9128), (3423, 8368), (3661, 7824), (3912, 7322), (4184, 6846), (4564, 6276)]