28321944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{641}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 81354240

約数和(自身を除く): 53032296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 263, 526, 641, 789, 1052, 1282, 1578, 1841, 1923, 2104, 2564, 3156, 3682, 3846, 4487, 5128, 5523, 6312, 7364, 7692, 8974, 11046, 13461, 14728, 15384, 17948, 22092, 26922, 35896, 44184, 53844, 107688, 168583, 337166, 505749, 674332, 1011498, 1180081, 1348664, 2022996, 2360162, 3540243, 4045992, 4720324, 7080486, 9440648, 14160972, 28321944]

約数ペア:

[(1, 28321944), (2, 14160972), (3, 9440648), (4, 7080486), (6, 4720324), (7, 4045992), (8, 3540243), (12, 2360162), (14, 2022996), (21, 1348664), (24, 1180081), (28, 1011498), (42, 674332), (56, 505749), (84, 337166), (168, 168583), (263, 107688), (526, 53844), (641, 44184), (789, 35896), (1052, 26922), (1282, 22092), (1578, 17948), (1841, 15384), (1923, 14728), (2104, 13461), (2564, 11046), (3156, 8974), (3682, 7692), (3846, 7364), (4487, 6312), (5128, 5523)]