1291246348

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1\times {\mathrm{2069}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 2670796800

約数和(自身を除く): 1379550452

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 719, 868, 1438, 2069, 2876, 4138, 5033, 8276, 10066, 14483, 20132, 22289, 28966, 44578, 57932, 64139, 89156, 128278, 156023, 256556, 312046, 448973, 624092, 897946, 1487611, 1795892, 2975222, 5950444, 10413277, 20826554, 41653108, 46115941, 92231882, 184463764, 322811587, 645623174, 1291246348]

約数ペア:

[(1, 1291246348), (2, 645623174), (4, 322811587), (7, 184463764), (14, 92231882), (28, 46115941), (31, 41653108), (62, 20826554), (124, 10413277), (217, 5950444), (434, 2975222), (719, 1795892), (868, 1487611), (1438, 897946), (2069, 624092), (2876, 448973), (4138, 312046), (5033, 256556), (8276, 156023), (10066, 128278), (14483, 89156), (20132, 64139), (22289, 57932), (28966, 44578)]