259815712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20147}}^1$

素因数の和:20201

約数の個数: 48

約数和(自身を含む): 568657152

約数和(自身を除く): 308841440

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 20147, 40294, 80588, 161176, 261911, 322352, 523822, 624557, 644704, 1047644, 1249114, 2095288, 2498228, 4190576, 4996456, 8119241, 8381152, 9992912, 16238482, 19985824, 32476964, 64953928, 129907856, 259815712]

約数ペア:

[(1, 259815712), (2, 129907856), (4, 64953928), (8, 32476964), (13, 19985824), (16, 16238482), (26, 9992912), (31, 8381152), (32, 8119241), (52, 4996456), (62, 4190576), (104, 2498228), (124, 2095288), (208, 1249114), (248, 1047644), (403, 644704), (416, 624557), (496, 523822), (806, 322352), (992, 261911), (1612, 161176), (3224, 80588), (6448, 40294), (12896, 20147)]