81398928

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130447}}^1$

素因数の和:130471

約数の個数: 40

約数和(自身を含む): 226457728

約数和(自身を除く): 145058800

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 130447, 260894, 391341, 521788, 782682, 1043576, 1565364, 1695811, 2087152, 3130728, 3391622, 5087433, 6261456, 6783244, 10174866, 13566488, 20349732, 27132976, 40699464, 81398928]

約数ペア:

[(1, 81398928), (2, 40699464), (3, 27132976), (4, 20349732), (6, 13566488), (8, 10174866), (12, 6783244), (13, 6261456), (16, 5087433), (24, 3391622), (26, 3130728), (39, 2087152), (48, 1695811), (52, 1565364), (78, 1043576), (104, 782682), (156, 521788), (208, 391341), (312, 260894), (624, 130447)]