642297431152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{859}}^1\times {\mathrm{19861}}^1$

素因数の和:20922

約数の個数: 80

約数和(自身を含む): 1349219304160

約数和(自身を除く): 706921873008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 181, 208, 362, 724, 859, 1448, 1718, 2353, 2896, 3436, 4706, 6872, 9412, 11167, 13744, 18824, 19861, 22334, 37648, 39722, 44668, 79444, 89336, 155479, 158888, 178672, 258193, 310958, 317776, 516386, 621916, 1032772, 1243832, 2021227, 2065544, 2487664, 3594841, 4042454, 4131088, 7189682, 8084908, 14379364, 16169816, 17060599, 28758728, 32339632, 34121198, 46732933, 57517456, 68242396, 93465866, 136484792, 186931732, 221787787, 272969584, 373863464, 443575574, 747726928, 887151148, 1774302296, 3087968419, 3548604592, 6175936838, 12351873676, 24703747352, 40143589447, 49407494704, 80287178894, 160574357788, 321148715576, 642297431152]

約数ペア:

[(1, 642297431152), (2, 321148715576), (4, 160574357788), (8, 80287178894), (13, 49407494704), (16, 40143589447), (26, 24703747352), (52, 12351873676), (104, 6175936838), (181, 3548604592), (208, 3087968419), (362, 1774302296), (724, 887151148), (859, 747726928), (1448, 443575574), (1718, 373863464), (2353, 272969584), (2896, 221787787), (3436, 186931732), (4706, 136484792), (6872, 93465866), (9412, 68242396), (11167, 57517456), (13744, 46732933), (18824, 34121198), (19861, 32339632), (22334, 28758728), (37648, 17060599), (39722, 16169816), (44668, 14379364), (79444, 8084908), (89336, 7189682), (155479, 4131088), (158888, 4042454), (178672, 3594841), (258193, 2487664), (310958, 2065544), (317776, 2021227), (516386, 1243832), (621916, 1032772)]