681458622

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 1510125120

約数和(自身を除く): 828666498

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 409, 521, 533, 818, 1042, 1066, 1227, 1563, 1599, 2454, 3126, 3198, 5317, 6773, 10634, 13546, 15951, 16769, 20319, 21361, 31902, 33538, 40638, 42722, 50307, 64083, 100614, 128166, 213089, 217997, 277693, 426178, 435994, 555386, 639267, 653991, 833079, 1278534, 1307982, 1666158, 2770157, 5540314, 8310471, 8736649, 16620942, 17473298, 26209947, 52419894, 113576437, 227152874, 340729311, 681458622]

約数ペア:

[(1, 681458622), (2, 340729311), (3, 227152874), (6, 113576437), (13, 52419894), (26, 26209947), (39, 17473298), (41, 16620942), (78, 8736649), (82, 8310471), (123, 5540314), (246, 2770157), (409, 1666158), (521, 1307982), (533, 1278534), (818, 833079), (1042, 653991), (1066, 639267), (1227, 555386), (1563, 435994), (1599, 426178), (2454, 277693), (3126, 217997), (3198, 213089), (5317, 128166), (6773, 100614), (10634, 64083), (13546, 50307), (15951, 42722), (16769, 40638), (20319, 33538), (21361, 31902)]