1778222

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 32

約数和(自身を含む): 3041280

約数和(自身を除く): 1263058

約数列:

[1, 2, 23, 29, 31, 43, 46, 58, 62, 86, 667, 713, 899, 989, 1247, 1333, 1334, 1426, 1798, 1978, 2494, 2666, 20677, 28681, 30659, 38657, 41354, 57362, 61318, 77314, 889111, 1778222]

約数ペア:

[(1, 1778222), (2, 889111), (23, 77314), (29, 61318), (31, 57362), (43, 41354), (46, 38657), (58, 30659), (62, 28681), (86, 20677), (667, 2666), (713, 2494), (899, 1978), (989, 1798), (1247, 1426), (1333, 1334)]