40540218

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 82468800

約数和(自身を除く): 41928582

約数列:

[1, 2, 3, 6, 137, 149, 274, 298, 331, 411, 447, 662, 822, 894, 993, 1986, 20413, 40826, 45347, 49319, 61239, 90694, 98638, 122478, 136041, 147957, 272082, 295914, 6756703, 13513406, 20270109, 40540218]

約数ペア:

[(1, 40540218), (2, 20270109), (3, 13513406), (6, 6756703), (137, 295914), (149, 272082), (274, 147957), (298, 136041), (331, 122478), (411, 98638), (447, 90694), (662, 61239), (822, 49319), (894, 45347), (993, 40826), (1986, 20413)]