30731995

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 12813605

約数列:

[1, 5, 7, 35, 71, 83, 149, 355, 415, 497, 581, 745, 1043, 2485, 2905, 5215, 5893, 10579, 12367, 29465, 41251, 52895, 61835, 74053, 86569, 206255, 370265, 432845, 878057, 4390285, 6146399, 30731995]

約数ペア:

[(1, 30731995), (5, 6146399), (7, 4390285), (35, 878057), (71, 432845), (83, 370265), (149, 206255), (355, 86569), (415, 74053), (497, 61835), (581, 52895), (745, 41251), (1043, 29465), (2485, 12367), (2905, 10579), (5215, 5893)]