639427584

素因数分解:

$2^{10}\times 3^1\times {\mathrm{208147}}^1$

素因数の和:208170

約数の個数: 44

約数和(自身を含む): 1704315824

約数和(自身を除く): 1064888240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 3072, 208147, 416294, 624441, 832588, 1248882, 1665176, 2497764, 3330352, 4995528, 6660704, 9991056, 13321408, 19982112, 26642816, 39964224, 53285632, 79928448, 106571264, 159856896, 213142528, 319713792, 639427584]

約数ペア:

[(1, 639427584), (2, 319713792), (3, 213142528), (4, 159856896), (6, 106571264), (8, 79928448), (12, 53285632), (16, 39964224), (24, 26642816), (32, 19982112), (48, 13321408), (64, 9991056), (96, 6660704), (128, 4995528), (192, 3330352), (256, 2497764), (384, 1665176), (512, 1248882), (768, 832588), (1024, 624441), (1536, 416294), (3072, 208147)]