161491168

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 325140480

約数和(自身を除く): 163649312

約数列:

[1, 2, 4, 8, 16, 32, 79, 127, 158, 254, 316, 503, 508, 632, 1006, 1016, 1264, 2012, 2032, 2528, 4024, 4064, 8048, 10033, 16096, 20066, 39737, 40132, 63881, 79474, 80264, 127762, 158948, 160528, 255524, 317896, 321056, 511048, 635792, 1022096, 1271584, 2044192, 5046599, 10093198, 20186396, 40372792, 80745584, 161491168]

約数ペア:

[(1, 161491168), (2, 80745584), (4, 40372792), (8, 20186396), (16, 10093198), (32, 5046599), (79, 2044192), (127, 1271584), (158, 1022096), (254, 635792), (316, 511048), (503, 321056), (508, 317896), (632, 255524), (1006, 160528), (1016, 158948), (1264, 127762), (2012, 80264), (2032, 79474), (2528, 63881), (4024, 40132), (4064, 39737), (8048, 20066), (10033, 16096)]