2115561968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{77641}}^1$

素因数の和:77793

約数の個数: 40

約数和(自身を含む): 4447954896

約数和(自身を除く): 2332392928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 524, 1048, 1703, 2096, 3406, 6812, 13624, 27248, 77641, 155282, 310564, 621128, 1009333, 1242256, 2018666, 4037332, 8074664, 10170971, 16149328, 20341942, 40683884, 81367768, 132222623, 162735536, 264445246, 528890492, 1057780984, 2115561968]

約数ペア:

[(1, 2115561968), (2, 1057780984), (4, 528890492), (8, 264445246), (13, 162735536), (16, 132222623), (26, 81367768), (52, 40683884), (104, 20341942), (131, 16149328), (208, 10170971), (262, 8074664), (524, 4037332), (1048, 2018666), (1703, 1242256), (2096, 1009333), (3406, 621128), (6812, 310564), (13624, 155282), (27248, 77641)]