61891918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 103680000

約数和(自身を除く): 41788082

約数列:

[1, 2, 11, 22, 79, 149, 158, 239, 298, 478, 869, 1639, 1738, 2629, 3278, 5258, 11771, 18881, 23542, 35611, 37762, 71222, 129481, 207691, 258962, 391721, 415382, 783442, 2813269, 5626538, 30945959, 61891918]

約数ペア:

[(1, 61891918), (2, 30945959), (11, 5626538), (22, 2813269), (79, 783442), (149, 415382), (158, 391721), (239, 258962), (298, 207691), (478, 129481), (869, 71222), (1639, 37762), (1738, 35611), (2629, 23542), (3278, 18881), (5258, 11771)]