9903208

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 21470400

約数和(自身を除く): 11567192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 1987, 2492, 3974, 4984, 7948, 13909, 15896, 27818, 55636, 111272, 176843, 353686, 707372, 1237901, 1414744, 2475802, 4951604, 9903208]

約数ペア:

[(1, 9903208), (2, 4951604), (4, 2475802), (7, 1414744), (8, 1237901), (14, 707372), (28, 353686), (56, 176843), (89, 111272), (178, 55636), (356, 27818), (623, 15896), (712, 13909), (1246, 7948), (1987, 4984), (2492, 3974)]