645361744

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{4957}}^1$

素因数の和:5147

約数の個数: 40

約数和(自身を含む): 1278767360

約数和(自身を除く): 633405616

約数列:

[1, 2, 4, 8, 16, 79, 103, 158, 206, 316, 412, 632, 824, 1264, 1648, 4957, 8137, 9914, 16274, 19828, 32548, 39656, 65096, 79312, 130192, 391603, 510571, 783206, 1021142, 1566412, 2042284, 3132824, 4084568, 6265648, 8169136, 40335109, 80670218, 161340436, 322680872, 645361744]

約数ペア:

[(1, 645361744), (2, 322680872), (4, 161340436), (8, 80670218), (16, 40335109), (79, 8169136), (103, 6265648), (158, 4084568), (206, 3132824), (316, 2042284), (412, 1566412), (632, 1021142), (824, 783206), (1264, 510571), (1648, 391603), (4957, 130192), (8137, 79312), (9914, 65096), (16274, 39656), (19828, 32548)]