1561476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 4314240

約数和(自身を除く): 2752764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 641, 812, 1218, 1282, 1923, 2436, 2564, 3846, 4487, 7692, 8974, 13461, 17948, 18589, 26922, 37178, 53844, 55767, 74356, 111534, 130123, 223068, 260246, 390369, 520492, 780738, 1561476]

約数ペア:

[(1, 1561476), (2, 780738), (3, 520492), (4, 390369), (6, 260246), (7, 223068), (12, 130123), (14, 111534), (21, 74356), (28, 55767), (29, 53844), (42, 37178), (58, 26922), (84, 18589), (87, 17948), (116, 13461), (174, 8974), (203, 7692), (348, 4487), (406, 3846), (609, 2564), (641, 2436), (812, 1923), (1218, 1282)]