25378472

素因数分解:

$2^3\times 7^2\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 55988820

約数和(自身を除く): 30610348

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 101, 196, 202, 392, 404, 641, 707, 808, 1282, 1414, 2564, 2828, 4487, 4949, 5128, 5656, 8974, 9898, 17948, 19796, 31409, 35896, 39592, 62818, 64741, 125636, 129482, 251272, 258964, 453187, 517928, 906374, 1812748, 3172309, 3625496, 6344618, 12689236, 25378472]

約数ペア:

[(1, 25378472), (2, 12689236), (4, 6344618), (7, 3625496), (8, 3172309), (14, 1812748), (28, 906374), (49, 517928), (56, 453187), (98, 258964), (101, 251272), (196, 129482), (202, 125636), (392, 64741), (404, 62818), (641, 39592), (707, 35896), (808, 31409), (1282, 19796), (1414, 17948), (2564, 9898), (2828, 8974), (4487, 5656), (4949, 5128)]