72185528

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 137356560

約数和(自身を除く): 65171032

約数列:

[1, 2, 4, 8, 163, 197, 281, 326, 394, 562, 652, 788, 1124, 1304, 1576, 2248, 32111, 45803, 55357, 64222, 91606, 110714, 128444, 183212, 221428, 256888, 366424, 442856, 9023191, 18046382, 36092764, 72185528]

約数ペア:

[(1, 72185528), (2, 36092764), (4, 18046382), (8, 9023191), (163, 442856), (197, 366424), (281, 256888), (326, 221428), (394, 183212), (562, 128444), (652, 110714), (788, 91606), (1124, 64222), (1304, 55357), (1576, 45803), (2248, 32111)]