1247809745

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{977}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 1882430928

約数和(自身を除く): 634621183

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 401, 455, 637, 977, 2005, 2807, 3185, 4885, 5213, 6839, 12701, 14035, 19649, 26065, 34195, 36491, 47873, 63505, 88907, 98245, 182455, 239365, 255437, 391777, 444535, 622349, 1277185, 1958885, 2742439, 3111745, 5093101, 13712195, 19197073, 25465505, 35651707, 95985365, 178258535, 249561949, 1247809745]

約数ペア:

[(1, 1247809745), (5, 249561949), (7, 178258535), (13, 95985365), (35, 35651707), (49, 25465505), (65, 19197073), (91, 13712195), (245, 5093101), (401, 3111745), (455, 2742439), (637, 1958885), (977, 1277185), (2005, 622349), (2807, 444535), (3185, 391777), (4885, 255437), (5213, 239365), (6839, 182455), (12701, 98245), (14035, 88907), (19649, 63505), (26065, 47873), (34195, 36491)]