80143966

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 140279040

約数和(自身を除く): 60135074

約数列:

[1, 2, 7, 14, 89, 131, 178, 262, 491, 623, 917, 982, 1246, 1834, 3437, 6874, 11659, 23318, 43699, 64321, 81613, 87398, 128642, 163226, 305893, 450247, 611786, 900494, 5724569, 11449138, 40071983, 80143966]

約数ペア:

[(1, 80143966), (2, 40071983), (7, 11449138), (14, 5724569), (89, 900494), (131, 611786), (178, 450247), (262, 305893), (491, 163226), (623, 128642), (917, 87398), (982, 81613), (1246, 64321), (1834, 43699), (3437, 23318), (6874, 11659)]