172967990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{28309}}^1$

素因数の和:28376

約数の個数: 32

約数和(自身を含む): 342437760

約数和(自身を除く): 169469770

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 28309, 56618, 141545, 283090, 368017, 736034, 1330523, 1840085, 2661046, 3680170, 6652615, 13305230, 17296799, 34593598, 86483995, 172967990]

約数ペア:

[(1, 172967990), (2, 86483995), (5, 34593598), (10, 17296799), (13, 13305230), (26, 6652615), (47, 3680170), (65, 2661046), (94, 1840085), (130, 1330523), (235, 736034), (470, 368017), (611, 283090), (1222, 141545), (3055, 56618), (6110, 28309)]