128456796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2281}}^1$

素因数の和:2339

約数の個数: 72

約数和(自身を含む): 340821264

約数和(自身を除く): 212364468

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 361, 494, 722, 741, 988, 1083, 1444, 1482, 2166, 2281, 2964, 4332, 4562, 4693, 6843, 9124, 9386, 13686, 14079, 18772, 27372, 28158, 29653, 43339, 56316, 59306, 86678, 88959, 118612, 130017, 173356, 177918, 260034, 355836, 520068, 563407, 823441, 1126814, 1646882, 1690221, 2253628, 2470323, 3293764, 3380442, 4940646, 6760884, 9881292, 10704733, 21409466, 32114199, 42818932, 64228398, 128456796]

約数ペア:

[(1, 128456796), (2, 64228398), (3, 42818932), (4, 32114199), (6, 21409466), (12, 10704733), (13, 9881292), (19, 6760884), (26, 4940646), (38, 3380442), (39, 3293764), (52, 2470323), (57, 2253628), (76, 1690221), (78, 1646882), (114, 1126814), (156, 823441), (228, 563407), (247, 520068), (361, 355836), (494, 260034), (722, 177918), (741, 173356), (988, 130017), (1083, 118612), (1444, 88959), (1482, 86678), (2166, 59306), (2281, 56316), (2964, 43339), (4332, 29653), (4562, 28158), (4693, 27372), (6843, 18772), (9124, 14079), (9386, 13686)]