2179977904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{455681}}^1$

素因数の和:455725

約数の個数: 40

約数和(自身を含む): 4746383712

約数和(自身を除く): 2566405808

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 455681, 911362, 1822724, 3645448, 5923853, 7290896, 10480663, 11847706, 20961326, 23695412, 41922652, 47390824, 83845304, 94781648, 136248619, 167690608, 272497238, 544994476, 1089988952, 2179977904]

約数ペア:

[(1, 2179977904), (2, 1089988952), (4, 544994476), (8, 272497238), (13, 167690608), (16, 136248619), (23, 94781648), (26, 83845304), (46, 47390824), (52, 41922652), (92, 23695412), (104, 20961326), (184, 11847706), (208, 10480663), (299, 7290896), (368, 5923853), (598, 3645448), (1196, 1822724), (2392, 911362), (4784, 455681)]