72613990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{643}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 136878336

約数和(自身を除く): 64264346

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 491, 643, 982, 1286, 2455, 3215, 4910, 6430, 11293, 14789, 22586, 29578, 56465, 73945, 112930, 147890, 315713, 631426, 1578565, 3157130, 7261399, 14522798, 36306995, 72613990]

約数ペア:

[(1, 72613990), (2, 36306995), (5, 14522798), (10, 7261399), (23, 3157130), (46, 1578565), (115, 631426), (230, 315713), (491, 147890), (643, 112930), (982, 73945), (1286, 56465), (2455, 29578), (3215, 22586), (4910, 14789), (6430, 11293)]