165990890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{75109}}^1$

素因数の和:75146

約数の個数: 32

約数和(自身を含む): 340698960

約数和(自身を除く): 174708070

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 75109, 150218, 375545, 751090, 976417, 1276853, 1952834, 2553706, 4882085, 6384265, 9764170, 12768530, 16599089, 33198178, 82995445, 165990890]

約数ペア:

[(1, 165990890), (2, 82995445), (5, 33198178), (10, 16599089), (13, 12768530), (17, 9764170), (26, 6384265), (34, 4882085), (65, 2553706), (85, 1952834), (130, 1276853), (170, 976417), (221, 751090), (442, 375545), (1105, 150218), (2210, 75109)]