7438145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 10692864

約数和(自身を除く): 3254719

約数列:

[1, 5, 11, 13, 55, 65, 101, 103, 143, 505, 515, 715, 1111, 1133, 1313, 1339, 5555, 5665, 6565, 6695, 10403, 14443, 14729, 52015, 72215, 73645, 114433, 135239, 572165, 676195, 1487629, 7438145]

約数ペア:

[(1, 7438145), (5, 1487629), (11, 676195), (13, 572165), (55, 135239), (65, 114433), (101, 73645), (103, 72215), (143, 52015), (505, 14729), (515, 14443), (715, 10403), (1111, 6695), (1133, 6565), (1313, 5665), (1339, 5555)]