215765816

素因数分解:

$2^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{4871}}^1$

素因数の和:5004

約数の個数: 48

約数和(自身を含む): 474873840

約数和(自身を除く): 259108024

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 113, 196, 226, 392, 452, 791, 904, 1582, 3164, 4871, 5537, 6328, 9742, 11074, 19484, 22148, 34097, 38968, 44296, 68194, 136388, 238679, 272776, 477358, 550423, 954716, 1100846, 1909432, 2201692, 3852961, 4403384, 7705922, 15411844, 26970727, 30823688, 53941454, 107882908, 215765816]

約数ペア:

[(1, 215765816), (2, 107882908), (4, 53941454), (7, 30823688), (8, 26970727), (14, 15411844), (28, 7705922), (49, 4403384), (56, 3852961), (98, 2201692), (113, 1909432), (196, 1100846), (226, 954716), (392, 550423), (452, 477358), (791, 272776), (904, 238679), (1582, 136388), (3164, 68194), (4871, 44296), (5537, 38968), (6328, 34097), (9742, 22148), (11074, 19484)]