72907801.000000000

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{367879}}^1$

素因数の和:367904

約数の個数: 20

約数和(自身を含む): 205277040

約数和(自身を除く): 105213952

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 367879, 735758, 1471516, 2943032, 5886064, 6253943, 12507886, 25015772, 50031544, 100063088]

約数ペア:

[(1, 100063088), (2, 50031544), (4, 25015772), (8, 12507886), (16, 6253943), (17, 5886064), (34, 2943032), (68, 1471516), (136, 735758), (272, 367879)]