1581219976

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47939}}^1$

素因数の和:48002

約数の個数: 64

約数和(自身を含む): 3681792000

約数和(自身を除く): 2100572024

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 1064, 1178, 1736, 2356, 4123, 4712, 8246, 16492, 32984, 47939, 95878, 191756, 335573, 383512, 671146, 910841, 1342292, 1486109, 1821682, 2684584, 2972218, 3643364, 5944436, 6375887, 7286728, 10402763, 11888872, 12751774, 20805526, 25503548, 28236071, 41611052, 51007096, 56472142, 83222104, 112944284, 197652497, 225888568, 395304994, 790609988, 1581219976]

約数ペア:

[(1, 1581219976), (2, 790609988), (4, 395304994), (7, 225888568), (8, 197652497), (14, 112944284), (19, 83222104), (28, 56472142), (31, 51007096), (38, 41611052), (56, 28236071), (62, 25503548), (76, 20805526), (124, 12751774), (133, 11888872), (152, 10402763), (217, 7286728), (248, 6375887), (266, 5944436), (434, 3643364), (532, 2972218), (589, 2684584), (868, 1821682), (1064, 1486109), (1178, 1342292), (1736, 910841), (2356, 671146), (4123, 383512), (4712, 335573), (8246, 191756), (16492, 95878), (32984, 47939)]