1974633745

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 2855102976

約数和(自身を除く): 880469231

約数列:

[1, 5, 7, 35, 43, 61, 137, 157, 215, 301, 305, 427, 685, 785, 959, 1099, 1505, 2135, 2623, 4795, 5495, 5891, 6751, 8357, 9577, 13115, 18361, 21509, 29455, 33755, 41237, 41785, 47257, 47885, 58499, 67039, 91805, 107545, 150563, 206185, 236285, 292495, 335195, 359351, 411811, 752815, 924887, 1312049, 1796755, 2059055, 2515457, 2882677, 4624435, 6474209, 6560245, 9184343, 12577285, 14413385, 32371045, 45921715, 56418107, 282090535, 394926749, 1974633745]

約数ペア:

[(1, 1974633745), (5, 394926749), (7, 282090535), (35, 56418107), (43, 45921715), (61, 32371045), (137, 14413385), (157, 12577285), (215, 9184343), (301, 6560245), (305, 6474209), (427, 4624435), (685, 2882677), (785, 2515457), (959, 2059055), (1099, 1796755), (1505, 1312049), (2135, 924887), (2623, 752815), (4795, 411811), (5495, 359351), (5891, 335195), (6751, 292495), (8357, 236285), (9577, 206185), (13115, 150563), (18361, 107545), (21509, 91805), (29455, 67039), (33755, 58499), (41237, 47885), (41785, 47257)]