2081201528

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{340957}}^1$

素因数の和:341079

約数の個数: 32

約数和(自身を含む): 4500645600

約数和(自身を除く): 2419444072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 6104, 340957, 681914, 1363828, 2386699, 2727656, 4773398, 9546796, 19093592, 37164313, 74328626, 148657252, 260150191, 297314504, 520300382, 1040600764, 2081201528]

約数ペア:

[(1, 2081201528), (2, 1040600764), (4, 520300382), (7, 297314504), (8, 260150191), (14, 148657252), (28, 74328626), (56, 37164313), (109, 19093592), (218, 9546796), (436, 4773398), (763, 2727656), (872, 2386699), (1526, 1363828), (3052, 681914), (6104, 340957)]