8720392

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 17409600

約数和(自身を除く): 8689208

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 557, 824, 1114, 1957, 2228, 3914, 4456, 7828, 10583, 15656, 21166, 42332, 57371, 84664, 114742, 229484, 458968, 1090049, 2180098, 4360196, 8720392]

約数ペア:

[(1, 8720392), (2, 4360196), (4, 2180098), (8, 1090049), (19, 458968), (38, 229484), (76, 114742), (103, 84664), (152, 57371), (206, 42332), (412, 21166), (557, 15656), (824, 10583), (1114, 7828), (1957, 4456), (2228, 3914)]