72419704

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{8237}}^1$

素因数の和:8407

約数の個数: 32

約数和(自身を含む): 156192480

約数和(自身を除く): 83772776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8237, 8792, 16474, 32948, 57659, 65896, 115318, 230636, 461272, 1293209, 2586418, 5172836, 9052463, 10345672, 18104926, 36209852, 72419704]

約数ペア:

[(1, 72419704), (2, 36209852), (4, 18104926), (7, 10345672), (8, 9052463), (14, 5172836), (28, 2586418), (56, 1293209), (157, 461272), (314, 230636), (628, 115318), (1099, 65896), (1256, 57659), (2198, 32948), (4396, 16474), (8237, 8792)]