78437456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5441}}^1$

素因数の和:5519

約数の個数: 40

約数和(自身を含む): 163978344

約数和(自身を除く): 85540888

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 848, 901, 1802, 3604, 5441, 7208, 10882, 14416, 21764, 43528, 87056, 92497, 184994, 288373, 369988, 576746, 739976, 1153492, 1479952, 2306984, 4613968, 4902341, 9804682, 19609364, 39218728, 78437456]

約数ペア:

[(1, 78437456), (2, 39218728), (4, 19609364), (8, 9804682), (16, 4902341), (17, 4613968), (34, 2306984), (53, 1479952), (68, 1153492), (106, 739976), (136, 576746), (212, 369988), (272, 288373), (424, 184994), (848, 92497), (901, 87056), (1802, 43528), (3604, 21764), (5441, 14416), (7208, 10882)]