664261728

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{532261}}^1$

素因数の和:532287

約数の個数: 48

約数和(自身を含む): 1877820336

約数和(自身を除く): 1213558608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 532261, 1064522, 1596783, 2129044, 3193566, 4258088, 6387132, 6919393, 8516176, 12774264, 13838786, 17032352, 20758179, 25548528, 27677572, 41516358, 51097056, 55355144, 83032716, 110710288, 166065432, 221420576, 332130864, 664261728]

約数ペア:

[(1, 664261728), (2, 332130864), (3, 221420576), (4, 166065432), (6, 110710288), (8, 83032716), (12, 55355144), (13, 51097056), (16, 41516358), (24, 27677572), (26, 25548528), (32, 20758179), (39, 17032352), (48, 13838786), (52, 12774264), (78, 8516176), (96, 6919393), (104, 6387132), (156, 4258088), (208, 3193566), (312, 2129044), (416, 1596783), (624, 1064522), (1248, 532261)]