861761648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{68963}}^1$

素因数の和:69053

約数の個数: 40

約数和(自身を含む): 1847131776

約数和(自身を除く): 985370128

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 12496, 68963, 137926, 275852, 551704, 758593, 1103408, 1517186, 3034372, 4896373, 6068744, 9792746, 12137488, 19585492, 39170984, 53860103, 78341968, 107720206, 215440412, 430880824, 861761648]

約数ペア:

[(1, 861761648), (2, 430880824), (4, 215440412), (8, 107720206), (11, 78341968), (16, 53860103), (22, 39170984), (44, 19585492), (71, 12137488), (88, 9792746), (142, 6068744), (176, 4896373), (284, 3034372), (568, 1517186), (781, 1103408), (1136, 758593), (1562, 551704), (3124, 275852), (6248, 137926), (12496, 68963)]