638896968

素因数分解:

$2^3\times 3^2\times {\mathrm{457}}^1\times {\mathrm{19417}}^1$

素因数の和:19886

約数の個数: 48

約数和(自身を含む): 1734221580

約数和(自身を除く): 1095324612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 457, 914, 1371, 1828, 2742, 3656, 4113, 5484, 8226, 10968, 16452, 19417, 32904, 38834, 58251, 77668, 116502, 155336, 174753, 233004, 349506, 466008, 699012, 1398024, 8873569, 17747138, 26620707, 35494276, 53241414, 70988552, 79862121, 106482828, 159724242, 212965656, 319448484, 638896968]

約数ペア:

[(1, 638896968), (2, 319448484), (3, 212965656), (4, 159724242), (6, 106482828), (8, 79862121), (9, 70988552), (12, 53241414), (18, 35494276), (24, 26620707), (36, 17747138), (72, 8873569), (457, 1398024), (914, 699012), (1371, 466008), (1828, 349506), (2742, 233004), (3656, 174753), (4113, 155336), (5484, 116502), (8226, 77668), (10968, 58251), (16452, 38834), (19417, 32904)]