321433918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 526518720

約数和(自身を除く): 205084802

約数列:

[1, 2, 13, 26, 167, 181, 334, 362, 409, 818, 2171, 2353, 4342, 4706, 5317, 10634, 30227, 60454, 68303, 74029, 136606, 148058, 392951, 785902, 887939, 962377, 1775878, 1924754, 12362843, 24725686, 160716959, 321433918]

約数ペア:

[(1, 321433918), (2, 160716959), (13, 24725686), (26, 12362843), (167, 1924754), (181, 1775878), (334, 962377), (362, 887939), (409, 785902), (818, 392951), (2171, 148058), (2353, 136606), (4342, 74029), (4706, 68303), (5317, 60454), (10634, 30227)]