256475214

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 591360000

約数和(自身を除く): 334884786

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 349, 439, 558, 698, 837, 878, 1047, 1317, 1674, 2094, 2634, 3141, 3951, 6282, 7902, 9423, 10819, 11853, 13609, 18846, 21638, 23706, 27218, 32457, 40827, 64914, 81654, 97371, 122481, 153211, 194742, 244962, 292113, 306422, 367443, 459633, 584226, 734886, 919266, 1378899, 2757798, 4136697, 4749541, 8273394, 9499082, 14248623, 28497246, 42745869, 85491738, 128237607, 256475214]

約数ペア:

[(1, 256475214), (2, 128237607), (3, 85491738), (6, 42745869), (9, 28497246), (18, 14248623), (27, 9499082), (31, 8273394), (54, 4749541), (62, 4136697), (93, 2757798), (186, 1378899), (279, 919266), (349, 734886), (439, 584226), (558, 459633), (698, 367443), (837, 306422), (878, 292113), (1047, 244962), (1317, 194742), (1674, 153211), (2094, 122481), (2634, 97371), (3141, 81654), (3951, 64914), (6282, 40827), (7902, 32457), (9423, 27218), (10819, 23706), (11853, 21638), (13609, 18846)]