289451396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{773}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 576475200

約数和(自身を除く): 287023804

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 379, 494, 758, 773, 988, 1516, 1546, 3092, 4927, 7201, 9854, 10049, 14402, 14687, 19708, 20098, 28804, 29374, 40196, 58748, 93613, 187226, 190931, 292967, 374452, 381862, 585934, 763724, 1171868, 3808571, 5566373, 7617142, 11132746, 15234284, 22265492, 72362849, 144725698, 289451396]

約数ペア:

[(1, 289451396), (2, 144725698), (4, 72362849), (13, 22265492), (19, 15234284), (26, 11132746), (38, 7617142), (52, 5566373), (76, 3808571), (247, 1171868), (379, 763724), (494, 585934), (758, 381862), (773, 374452), (988, 292967), (1516, 190931), (1546, 187226), (3092, 93613), (4927, 58748), (7201, 40196), (9854, 29374), (10049, 28804), (14402, 20098), (14687, 19708)]