2638356

素因数分解:

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

素因数の和:669

約数の個数: 48

約数和(自身を含む): 7190400

約数和(自身を除く): 4552044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 641, 686, 1029, 1282, 1372, 1923, 2058, 2564, 3846, 4116, 4487, 7692, 8974, 13461, 17948, 26922, 31409, 53844, 62818, 94227, 125636, 188454, 219863, 376908, 439726, 659589, 879452, 1319178, 2638356]

約数ペア:

[(1, 2638356), (2, 1319178), (3, 879452), (4, 659589), (6, 439726), (7, 376908), (12, 219863), (14, 188454), (21, 125636), (28, 94227), (42, 62818), (49, 53844), (84, 31409), (98, 26922), (147, 17948), (196, 13461), (294, 8974), (343, 7692), (588, 4487), (641, 4116), (686, 3846), (1029, 2564), (1282, 2058), (1372, 1923)]