81990472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5237}}^1$

素因数の和:5365

約数の個数: 32

約数和(自身を含む): 163425600

約数和(自身を除く): 81435128

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1957, 3914, 5237, 7828, 10474, 15656, 20948, 41896, 99503, 199006, 398012, 539411, 796024, 1078822, 2157644, 4315288, 10248809, 20497618, 40995236, 81990472]

約数ペア:

[(1, 81990472), (2, 40995236), (4, 20497618), (8, 10248809), (19, 4315288), (38, 2157644), (76, 1078822), (103, 796024), (152, 539411), (206, 398012), (412, 199006), (824, 99503), (1957, 41896), (3914, 20948), (5237, 15656), (7828, 10474)]