81140748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3191}}^1$

素因数の和:3374

約数の個数: 48

約数和(自身を含む): 205207296

約数和(自身を除く): 124066548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 978, 1956, 2119, 3191, 4238, 6357, 6382, 8476, 9573, 12714, 12764, 19146, 25428, 38292, 41483, 82966, 124449, 165932, 248898, 497796, 520133, 1040266, 1560399, 2080532, 3120798, 6241596, 6761729, 13523458, 20285187, 27046916, 40570374, 81140748]

約数ペア:

[(1, 81140748), (2, 40570374), (3, 27046916), (4, 20285187), (6, 13523458), (12, 6761729), (13, 6241596), (26, 3120798), (39, 2080532), (52, 1560399), (78, 1040266), (156, 520133), (163, 497796), (326, 248898), (489, 165932), (652, 124449), (978, 82966), (1956, 41483), (2119, 38292), (3191, 25428), (4238, 19146), (6357, 12764), (6382, 12714), (8476, 9573)]