71142448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1621}}^1$

素因数の和:1853

約数の個数: 40

約数和(自身を含む): 149236976

約数和(自身を除く): 78094528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 844, 1621, 1688, 2743, 3242, 3376, 5486, 6484, 10972, 12968, 21073, 21944, 25936, 42146, 43888, 84292, 168584, 337168, 342031, 684062, 1368124, 2736248, 4446403, 5472496, 8892806, 17785612, 35571224, 71142448]

約数ペア:

[(1, 71142448), (2, 35571224), (4, 17785612), (8, 8892806), (13, 5472496), (16, 4446403), (26, 2736248), (52, 1368124), (104, 684062), (208, 342031), (211, 337168), (422, 168584), (844, 84292), (1621, 43888), (1688, 42146), (2743, 25936), (3242, 21944), (3376, 21073), (5486, 12968), (6484, 10972)]