25981250864

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{151}}^1\times {\mathrm{29789}}^1$

素因数の和:29986

約数の個数: 60

約数和(自身を含む): 53481152880

約数和(自身を除く): 27499902016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 151, 152, 302, 304, 361, 604, 722, 1208, 1444, 2416, 2869, 2888, 5738, 5776, 11476, 22952, 29789, 45904, 54511, 59578, 109022, 119156, 218044, 238312, 436088, 476624, 565991, 872176, 1131982, 2263964, 4498139, 4527928, 8996278, 9055856, 10753829, 17992556, 21507658, 35985112, 43015316, 71970224, 85464641, 86030632, 170929282, 172061264, 341858564, 683717128, 1367434256, 1623828179, 3247656358, 6495312716, 12990625432, 25981250864]

約数ペア:

[(1, 25981250864), (2, 12990625432), (4, 6495312716), (8, 3247656358), (16, 1623828179), (19, 1367434256), (38, 683717128), (76, 341858564), (151, 172061264), (152, 170929282), (302, 86030632), (304, 85464641), (361, 71970224), (604, 43015316), (722, 35985112), (1208, 21507658), (1444, 17992556), (2416, 10753829), (2869, 9055856), (2888, 8996278), (5738, 4527928), (5776, 4498139), (11476, 2263964), (22952, 1131982), (29789, 872176), (45904, 565991), (54511, 476624), (59578, 436088), (109022, 238312), (119156, 218044)]