254328985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 327836160

約数和(自身を除く): 73507175

約数列:

[1, 5, 29, 47, 67, 145, 235, 335, 557, 1363, 1943, 2785, 3149, 6815, 9715, 15745, 16153, 26179, 37319, 80765, 91321, 130895, 186595, 456605, 759191, 1082251, 1753993, 3795955, 5411255, 8769965, 50865797, 254328985]

約数ペア:

[(1, 254328985), (5, 50865797), (29, 8769965), (47, 5411255), (67, 3795955), (145, 1753993), (235, 1082251), (335, 759191), (557, 456605), (1363, 186595), (1943, 130895), (2785, 91321), (3149, 80765), (6815, 37319), (9715, 26179), (15745, 16153)]