291247216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{4561}}^1$

素因数の和:4889

約数の個数: 40

約数和(自身を含む): 609811664

約数和(自身を除く): 318564448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 307, 614, 1228, 2456, 3991, 4561, 4912, 7982, 9122, 15964, 18244, 31928, 36488, 59293, 63856, 72976, 118586, 237172, 474344, 948688, 1400227, 2800454, 5600908, 11201816, 18202951, 22403632, 36405902, 72811804, 145623608, 291247216]

約数ペア:

[(1, 291247216), (2, 145623608), (4, 72811804), (8, 36405902), (13, 22403632), (16, 18202951), (26, 11201816), (52, 5600908), (104, 2800454), (208, 1400227), (307, 948688), (614, 474344), (1228, 237172), (2456, 118586), (3991, 72976), (4561, 63856), (4912, 59293), (7982, 36488), (9122, 31928), (15964, 18244)]