1640971568

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{8713}}^1$

素因数の和:8949

約数の個数: 40

約数和(自身を含む): 3241608000

約数和(自身を除く): 1600636432

約数列:

[1, 2, 4, 8, 16, 79, 149, 158, 298, 316, 596, 632, 1192, 1264, 2384, 8713, 11771, 17426, 23542, 34852, 47084, 69704, 94168, 139408, 188336, 688327, 1298237, 1376654, 2596474, 2753308, 5192948, 5506616, 10385896, 11013232, 20771792, 102560723, 205121446, 410242892, 820485784, 1640971568]

約数ペア:

[(1, 1640971568), (2, 820485784), (4, 410242892), (8, 205121446), (16, 102560723), (79, 20771792), (149, 11013232), (158, 10385896), (298, 5506616), (316, 5192948), (596, 2753308), (632, 2596474), (1192, 1376654), (1264, 1298237), (2384, 688327), (8713, 188336), (11771, 139408), (17426, 94168), (23542, 69704), (34852, 47084)]