647261720832

素因数分解:

$2^8\times 3^1\times {\mathrm{1621}}^1\times {\mathrm{519919}}^1$

素因数の和:521559

約数の個数: 72

約数和(自身を含む): 1723726130560

約数和(自身を除く): 1076464409728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 1621, 3242, 4863, 6484, 9726, 12968, 19452, 25936, 38904, 51872, 77808, 103744, 155616, 207488, 311232, 414976, 519919, 622464, 1039838, 1244928, 1559757, 2079676, 3119514, 4159352, 6239028, 8318704, 12478056, 16637408, 24956112, 33274816, 49912224, 66549632, 99824448, 133099264, 199648896, 399297792, 842788699, 1685577398, 2528366097, 3371154796, 5056732194, 6742309592, 10113464388, 13484619184, 20226928776, 26969238368, 40453857552, 53938476736, 80907715104, 107876953472, 161815430208, 215753906944, 323630860416, 647261720832]

約数ペア:

[(1, 647261720832), (2, 323630860416), (3, 215753906944), (4, 161815430208), (6, 107876953472), (8, 80907715104), (12, 53938476736), (16, 40453857552), (24, 26969238368), (32, 20226928776), (48, 13484619184), (64, 10113464388), (96, 6742309592), (128, 5056732194), (192, 3371154796), (256, 2528366097), (384, 1685577398), (768, 842788699), (1621, 399297792), (3242, 199648896), (4863, 133099264), (6484, 99824448), (9726, 66549632), (12968, 49912224), (19452, 33274816), (25936, 24956112), (38904, 16637408), (51872, 12478056), (77808, 8318704), (103744, 6239028), (155616, 4159352), (207488, 3119514), (311232, 2079676), (414976, 1559757), (519919, 1244928), (622464, 1039838)]