72709154

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 128532096

約数和(自身を除く): 55822942

約数列:

[1, 2, 7, 14, 41, 82, 197, 287, 394, 574, 643, 1286, 1379, 2758, 4501, 8077, 9002, 16154, 26363, 52726, 56539, 113078, 126671, 184541, 253342, 369082, 886697, 1773394, 5193511, 10387022, 36354577, 72709154]

約数ペア:

[(1, 72709154), (2, 36354577), (7, 10387022), (14, 5193511), (41, 1773394), (82, 886697), (197, 369082), (287, 253342), (394, 184541), (574, 126671), (643, 113078), (1286, 56539), (1379, 52726), (2758, 26363), (4501, 16154), (8077, 9002)]