81644342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{439}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 138378240

約数和(自身を除く): 56733898

約数列:

[1, 2, 13, 23, 26, 46, 299, 311, 439, 598, 622, 878, 4043, 5707, 7153, 8086, 10097, 11414, 14306, 20194, 92989, 131261, 136529, 185978, 262522, 273058, 1774877, 3140167, 3549754, 6280334, 40822171, 81644342]

約数ペア:

[(1, 81644342), (2, 40822171), (13, 6280334), (23, 3549754), (26, 3140167), (46, 1774877), (299, 273058), (311, 262522), (439, 185978), (598, 136529), (622, 131261), (878, 92989), (4043, 20194), (5707, 14306), (7153, 11414), (8086, 10097)]