66565565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 92005632

約数和(自身を除く): 25440067

約数列:

[1, 5, 11, 23, 55, 101, 115, 253, 505, 521, 1111, 1265, 2323, 2605, 5555, 5731, 11615, 11983, 25553, 28655, 52621, 59915, 127765, 131813, 263105, 578831, 659065, 1210283, 2894155, 6051415, 13313113, 66565565]

約数ペア:

[(1, 66565565), (5, 13313113), (11, 6051415), (23, 2894155), (55, 1210283), (101, 659065), (115, 578831), (253, 263105), (505, 131813), (521, 127765), (1111, 59915), (1265, 52621), (2323, 28655), (2605, 25553), (5555, 11983), (5731, 11615)]