780081404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{238703}}^1$

素因数の和:238769

約数の個数: 24

約数和(自身を含む): 1470416640

約数和(自身を除く): 690335236

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 238703, 477406, 954812, 4535357, 9070714, 10264229, 18141428, 20528458, 41056916, 195020351, 390040702, 780081404]

約数ペア:

[(1, 780081404), (2, 390040702), (4, 195020351), (19, 41056916), (38, 20528458), (43, 18141428), (76, 10264229), (86, 9070714), (172, 4535357), (817, 954812), (1634, 477406), (3268, 238703)]