323618128

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{503}}^1\times {\mathrm{509}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 637459200

約数和(自身を除く): 313841072

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 503, 509, 632, 1006, 1018, 1264, 2012, 2036, 4024, 4072, 8048, 8144, 39737, 40211, 79474, 80422, 158948, 160844, 256027, 317896, 321688, 512054, 635792, 643376, 1024108, 2048216, 4096432, 20226133, 40452266, 80904532, 161809064, 323618128]

約数ペア:

[(1, 323618128), (2, 161809064), (4, 80904532), (8, 40452266), (16, 20226133), (79, 4096432), (158, 2048216), (316, 1024108), (503, 643376), (509, 635792), (632, 512054), (1006, 321688), (1018, 317896), (1264, 256027), (2012, 160844), (2036, 158948), (4024, 80422), (4072, 79474), (8048, 40211), (8144, 39737)]