13280995

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 21043008

約数和(自身を除く): 7762013

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 101, 119, 221, 289, 455, 505, 595, 707, 1105, 1313, 1445, 1547, 1717, 2023, 3535, 3757, 6565, 7735, 8585, 9191, 10115, 12019, 18785, 22321, 26299, 29189, 45955, 60095, 111605, 131495, 145945, 156247, 204323, 379457, 781235, 1021615, 1897285, 2656199, 13280995]

約数ペア:

[(1, 13280995), (5, 2656199), (7, 1897285), (13, 1021615), (17, 781235), (35, 379457), (65, 204323), (85, 156247), (91, 145945), (101, 131495), (119, 111605), (221, 60095), (289, 45955), (455, 29189), (505, 26299), (595, 22321), (707, 18785), (1105, 12019), (1313, 10115), (1445, 9191), (1547, 8585), (1717, 7735), (2023, 6565), (3535, 3757)]