643288288

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{2137}}^1$

素因数の和:2579

約数の個数: 48

約数和(自身を含む): 1325388960

約数和(自身を除く): 682100672

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 409, 736, 818, 1636, 2137, 3272, 4274, 6544, 8548, 9407, 13088, 17096, 18814, 34192, 37628, 49151, 68384, 75256, 98302, 150512, 196604, 301024, 393208, 786416, 874033, 1572832, 1748066, 3496132, 6992264, 13984528, 20102759, 27969056, 40205518, 80411036, 160822072, 321644144, 643288288]

約数ペア:

[(1, 643288288), (2, 321644144), (4, 160822072), (8, 80411036), (16, 40205518), (23, 27969056), (32, 20102759), (46, 13984528), (92, 6992264), (184, 3496132), (368, 1748066), (409, 1572832), (736, 874033), (818, 786416), (1636, 393208), (2137, 301024), (3272, 196604), (4274, 150512), (6544, 98302), (8548, 75256), (9407, 68384), (13088, 49151), (17096, 37628), (18814, 34192)]