640027758

素因数分解:

$2^1\times 3^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1\times {\mathrm{1259}}^1$

素因数の和:1896

約数の個数: 32

約数和(自身を含む): 1290643200

約数和(自身を除く): 650615442

約数列:

[1, 2, 3, 6, 193, 386, 439, 579, 878, 1158, 1259, 1317, 2518, 2634, 3777, 7554, 84727, 169454, 242987, 254181, 485974, 508362, 552701, 728961, 1105402, 1457922, 1658103, 3316206, 106671293, 213342586, 320013879, 640027758]

約数ペア:

[(1, 640027758), (2, 320013879), (3, 213342586), (6, 106671293), (193, 3316206), (386, 1658103), (439, 1457922), (579, 1105402), (878, 728961), (1158, 552701), (1259, 508362), (1317, 485974), (2518, 254181), (2634, 242987), (3777, 169454), (7554, 84727)]