521291288

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6389}}^1$

素因数の和:6480

約数の個数: 64

約数和(自身を含む): 1177804800

約数和(自身を除く): 656513512

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 47, 56, 62, 94, 124, 188, 217, 248, 329, 376, 434, 658, 868, 1316, 1457, 1736, 2632, 2914, 5828, 6389, 10199, 11656, 12778, 20398, 25556, 40796, 44723, 51112, 81592, 89446, 178892, 198059, 300283, 357784, 396118, 600566, 792236, 1201132, 1386413, 1584472, 2101981, 2402264, 2772826, 4203962, 5545652, 8407924, 9308773, 11091304, 16815848, 18617546, 37235092, 65161411, 74470184, 130322822, 260645644, 521291288]

約数ペア:

[(1, 521291288), (2, 260645644), (4, 130322822), (7, 74470184), (8, 65161411), (14, 37235092), (28, 18617546), (31, 16815848), (47, 11091304), (56, 9308773), (62, 8407924), (94, 5545652), (124, 4203962), (188, 2772826), (217, 2402264), (248, 2101981), (329, 1584472), (376, 1386413), (434, 1201132), (658, 792236), (868, 600566), (1316, 396118), (1457, 357784), (1736, 300283), (2632, 198059), (2914, 178892), (5828, 89446), (6389, 81592), (10199, 51112), (11656, 44723), (12778, 40796), (20398, 25556)]