123581438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 202383360

約数和(自身を除く): 78801922

約数列:

[1, 2, 23, 31, 46, 62, 79, 158, 713, 1097, 1426, 1817, 2194, 2449, 3634, 4898, 25231, 34007, 50462, 56327, 68014, 86663, 112654, 173326, 782161, 1564322, 1993249, 2686553, 3986498, 5373106, 61790719, 123581438]

約数ペア:

[(1, 123581438), (2, 61790719), (23, 5373106), (31, 3986498), (46, 2686553), (62, 1993249), (79, 1564322), (158, 782161), (713, 173326), (1097, 112654), (1426, 86663), (1817, 68014), (2194, 56327), (2449, 50462), (3634, 34007), (4898, 25231)]