81312776

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 155584800

約数和(自身を除く): 74272024

約数列:

[1, 2, 4, 8, 83, 139, 166, 278, 332, 556, 664, 881, 1112, 1762, 3524, 7048, 11537, 23074, 46148, 73123, 92296, 122459, 146246, 244918, 292492, 489836, 584984, 979672, 10164097, 20328194, 40656388, 81312776]

約数ペア:

[(1, 81312776), (2, 40656388), (4, 20328194), (8, 10164097), (83, 979672), (139, 584984), (166, 489836), (278, 292492), (332, 244918), (556, 146246), (664, 122459), (881, 92296), (1112, 73123), (1762, 46148), (3524, 23074), (7048, 11537)]