128769992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{65167}}^1$

素因数の和:65205

約数の個数: 32

約数和(自身を含む): 273705600

約数和(自身を除く): 144935608

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 65167, 130334, 260668, 521336, 847171, 1238173, 1694342, 2476346, 3388684, 4952692, 6777368, 9905384, 16096249, 32192498, 64384996, 128769992]

約数ペア:

[(1, 128769992), (2, 64384996), (4, 32192498), (8, 16096249), (13, 9905384), (19, 6777368), (26, 4952692), (38, 3388684), (52, 2476346), (76, 1694342), (104, 1238173), (152, 847171), (247, 521336), (494, 260668), (988, 130334), (1976, 65167)]