78173456

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{72923}}^1$

素因数の和:72998

約数の個数: 20

約数和(自身を含む): 153723792

約数和(自身を除く): 75550336

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 72923, 145846, 291692, 583384, 1166768, 4885841, 9771682, 19543364, 39086728, 78173456]

約数ペア:

[(1, 78173456), (2, 39086728), (4, 19543364), (8, 9771682), (16, 4885841), (67, 1166768), (134, 583384), (268, 291692), (536, 145846), (1072, 72923)]