9981296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 21290304

約数和(自身を除く): 11309008

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1021, 1222, 2042, 2444, 4084, 4888, 8168, 9776, 13273, 16336, 26546, 47987, 53092, 95974, 106184, 191948, 212368, 383896, 623831, 767792, 1247662, 2495324, 4990648, 9981296]

約数ペア:

[(1, 9981296), (2, 4990648), (4, 2495324), (8, 1247662), (13, 767792), (16, 623831), (26, 383896), (47, 212368), (52, 191948), (94, 106184), (104, 95974), (188, 53092), (208, 47987), (376, 26546), (611, 16336), (752, 13273), (1021, 9776), (1222, 8168), (2042, 4888), (2444, 4084)]