72509012

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{11981}}^1$

素因数の和:12091

約数の個数: 24

約数和(自身を含む): 135875880

約数和(自身を除く): 63366868

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 6052, 11981, 23962, 47924, 203677, 407354, 814708, 1066309, 2132618, 4265236, 18127253, 36254506, 72509012]

約数ペア:

[(1, 72509012), (2, 36254506), (4, 18127253), (17, 4265236), (34, 2132618), (68, 1066309), (89, 814708), (178, 407354), (356, 203677), (1513, 47924), (3026, 23962), (6052, 11981)]