7771218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 19633152

約数和(自身を除く): 11861934

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 78, 86, 91, 129, 182, 258, 273, 301, 331, 546, 559, 602, 662, 903, 993, 1118, 1677, 1806, 1986, 2317, 3354, 3913, 4303, 4634, 6951, 7826, 8606, 11739, 12909, 13902, 14233, 23478, 25818, 28466, 30121, 42699, 60242, 85398, 90363, 99631, 180726, 185029, 199262, 298893, 370058, 555087, 597786, 1110174, 1295203, 2590406, 3885609, 7771218]

約数ペア:

[(1, 7771218), (2, 3885609), (3, 2590406), (6, 1295203), (7, 1110174), (13, 597786), (14, 555087), (21, 370058), (26, 298893), (39, 199262), (42, 185029), (43, 180726), (78, 99631), (86, 90363), (91, 85398), (129, 60242), (182, 42699), (258, 30121), (273, 28466), (301, 25818), (331, 23478), (546, 14233), (559, 13902), (602, 12909), (662, 11739), (903, 8606), (993, 7826), (1118, 6951), (1677, 4634), (1806, 4303), (1986, 3913), (2317, 3354)]