278382

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 620928

約数和(自身を除く): 342546

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 83, 86, 129, 166, 249, 258, 498, 559, 1079, 1118, 1677, 2158, 3237, 3354, 3569, 6474, 7138, 10707, 21414, 46397, 92794, 139191, 278382]

約数ペア:

[(1, 278382), (2, 139191), (3, 92794), (6, 46397), (13, 21414), (26, 10707), (39, 7138), (43, 6474), (78, 3569), (83, 3354), (86, 3237), (129, 2158), (166, 1677), (249, 1118), (258, 1079), (498, 559)]