1019892445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 1505226240

約数和(自身を除く): 485333795

約数列:

[1, 5, 11, 13, 29, 55, 65, 101, 143, 145, 319, 377, 487, 505, 715, 1111, 1313, 1595, 1885, 2435, 2929, 4147, 5357, 5555, 6331, 6565, 14123, 14443, 14645, 20735, 26785, 31655, 32219, 38077, 49187, 69641, 70615, 72215, 155353, 161095, 183599, 190385, 245935, 348205, 418847, 541057, 639431, 776765, 917995, 1426423, 2019589, 2094235, 2705285, 3197155, 7033741, 7132115, 10097945, 15690653, 18543499, 35168705, 78453265, 92717495, 203978489, 1019892445]

約数ペア:

[(1, 1019892445), (5, 203978489), (11, 92717495), (13, 78453265), (29, 35168705), (55, 18543499), (65, 15690653), (101, 10097945), (143, 7132115), (145, 7033741), (319, 3197155), (377, 2705285), (487, 2094235), (505, 2019589), (715, 1426423), (1111, 917995), (1313, 776765), (1595, 639431), (1885, 541057), (2435, 418847), (2929, 348205), (4147, 245935), (5357, 190385), (5555, 183599), (6331, 161095), (6565, 155353), (14123, 72215), (14443, 70615), (14645, 69641), (20735, 49187), (26785, 38077), (31655, 32219)]