289380972

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{911}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 685181952

約数和(自身を除く): 395800980

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 257, 309, 412, 514, 618, 771, 911, 1028, 1236, 1542, 1822, 2733, 3084, 3644, 5466, 10932, 26471, 52942, 79413, 93833, 105884, 158826, 187666, 234127, 281499, 317652, 375332, 468254, 562998, 702381, 936508, 1125996, 1404762, 2809524, 24115081, 48230162, 72345243, 96460324, 144690486, 289380972]

約数ペア:

[(1, 289380972), (2, 144690486), (3, 96460324), (4, 72345243), (6, 48230162), (12, 24115081), (103, 2809524), (206, 1404762), (257, 1125996), (309, 936508), (412, 702381), (514, 562998), (618, 468254), (771, 375332), (911, 317652), (1028, 281499), (1236, 234127), (1542, 187666), (1822, 158826), (2733, 105884), (3084, 93833), (3644, 79413), (5466, 52942), (10932, 26471)]