1291363664

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{306883}}^1$

素因数の和:307154

約数の個数: 20

約数和(自身を含む): 2511538656

約数和(自身を除く): 1220174992

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 306883, 613766, 1227532, 2455064, 4910128, 80710229, 161420458, 322840916, 645681832, 1291363664]

約数ペア:

[(1, 1291363664), (2, 645681832), (4, 322840916), (8, 161420458), (16, 80710229), (263, 4910128), (526, 2455064), (1052, 1227532), (2104, 613766), (4208, 306883)]