80457678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{212851}}^1$

素因数の和:212869

約数の個数: 32

約数和(自身を含む): 204337920

約数和(自身を除く): 123880242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 212851, 425702, 638553, 1277106, 1489957, 1915659, 2979914, 3831318, 4469871, 5746977, 8939742, 11493954, 13409613, 26819226, 40228839, 80457678]

約数ペア:

[(1, 80457678), (2, 40228839), (3, 26819226), (6, 13409613), (7, 11493954), (9, 8939742), (14, 5746977), (18, 4469871), (21, 3831318), (27, 2979914), (42, 1915659), (54, 1489957), (63, 1277106), (126, 638553), (189, 425702), (378, 212851)]