311913316

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 654567480

約数和(自身を除く): 342654164

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 89, 121, 143, 178, 242, 286, 356, 484, 557, 572, 979, 1114, 1157, 1573, 1958, 2228, 2314, 3146, 3916, 4628, 6127, 6292, 7241, 10769, 12254, 12727, 14482, 21538, 24508, 25454, 28964, 43076, 49573, 50908, 67397, 79651, 99146, 134794, 139997, 159302, 198292, 269588, 279994, 318604, 545303, 559988, 644449, 876161, 1090606, 1288898, 1752322, 2181212, 2577796, 3504644, 5998333, 7088939, 11996666, 14177878, 23993332, 28355756, 77978329, 155956658, 311913316]

約数ペア:

[(1, 311913316), (2, 155956658), (4, 77978329), (11, 28355756), (13, 23993332), (22, 14177878), (26, 11996666), (44, 7088939), (52, 5998333), (89, 3504644), (121, 2577796), (143, 2181212), (178, 1752322), (242, 1288898), (286, 1090606), (356, 876161), (484, 644449), (557, 559988), (572, 545303), (979, 318604), (1114, 279994), (1157, 269588), (1573, 198292), (1958, 159302), (2228, 139997), (2314, 134794), (3146, 99146), (3916, 79651), (4628, 67397), (6127, 50908), (6292, 49573), (7241, 43076), (10769, 28964), (12254, 25454), (12727, 24508), (14482, 21538)]