215510516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{13241}}^1$

素因数の和:13571

約数の個数: 24

約数和(自身を含む): 407482824

約数和(自身を除く): 191972308

約数列:

[1, 2, 4, 13, 26, 52, 313, 626, 1252, 4069, 8138, 13241, 16276, 26482, 52964, 172133, 344266, 688532, 4144433, 8288866, 16577732, 53877629, 107755258, 215510516]

約数ペア:

[(1, 215510516), (2, 107755258), (4, 53877629), (13, 16577732), (26, 8288866), (52, 4144433), (313, 688532), (626, 344266), (1252, 172133), (4069, 52964), (8138, 26482), (13241, 16276)]