30987902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21023}}^1$

素因数の和:21103

約数の個数: 16

約数和(自身を含む): 51466752

約数和(自身を除く): 20478850

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 21023, 42046, 231253, 462506, 1408541, 2817082, 15493951, 30987902]

約数ペア:

[(1, 30987902), (2, 15493951), (11, 2817082), (22, 1408541), (67, 462506), (134, 231253), (737, 42046), (1474, 21023)]