63181990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{70991}}^1$

素因数の和:71087

約数の個数: 16

約数和(自身を含む): 115007040

約数和(自身を除く): 51825050

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 70991, 141982, 354955, 709910, 6318199, 12636398, 31590995, 63181990]

約数ペア:

[(1, 63181990), (2, 31590995), (5, 12636398), (10, 6318199), (89, 709910), (178, 354955), (445, 141982), (890, 70991)]