30985438

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2184

約数の個数: 24

約数和(自身を含む): 51949800

約数和(自身を除く): 20964362

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1342, 2099, 4198, 7381, 14762, 23089, 46178, 128039, 253979, 256078, 507958, 1408429, 2816858, 15492719, 30985438]

約数ペア:

[(1, 30985438), (2, 15492719), (11, 2816858), (22, 1408429), (61, 507958), (121, 256078), (122, 253979), (242, 128039), (671, 46178), (1342, 23089), (2099, 14762), (4198, 7381)]