281205652

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5639}}^1$

素因数の和:5800

約数の個数: 48

約数和(自身を含む): 610202880

約数和(自身を除く): 328997228

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 137, 182, 274, 364, 548, 959, 1781, 1918, 3562, 3836, 5639, 7124, 11278, 12467, 22556, 24934, 39473, 49868, 73307, 78946, 146614, 157892, 293228, 513149, 772543, 1026298, 1545086, 2052596, 3090172, 5407801, 10043059, 10815602, 20086118, 21631204, 40172236, 70301413, 140602826, 281205652]

約数ペア:

[(1, 281205652), (2, 140602826), (4, 70301413), (7, 40172236), (13, 21631204), (14, 20086118), (26, 10815602), (28, 10043059), (52, 5407801), (91, 3090172), (137, 2052596), (182, 1545086), (274, 1026298), (364, 772543), (548, 513149), (959, 293228), (1781, 157892), (1918, 146614), (3562, 78946), (3836, 73307), (5639, 49868), (7124, 39473), (11278, 24934), (12467, 22556)]