171914730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{440807}}^1$

素因数の和:440830

約数の個数: 32

約数和(自身を含む): 444334464

約数和(自身を除く): 272419734

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 440807, 881614, 1322421, 2204035, 2644842, 4408070, 5730491, 6612105, 11460982, 13224210, 17191473, 28652455, 34382946, 57304910, 85957365, 171914730]

約数ペア:

[(1, 171914730), (2, 85957365), (3, 57304910), (5, 34382946), (6, 28652455), (10, 17191473), (13, 13224210), (15, 11460982), (26, 6612105), (30, 5730491), (39, 4408070), (65, 2644842), (78, 2204035), (130, 1322421), (195, 881614), (390, 440807)]