648396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 1956864

約数和(自身を除く): 1308468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 83, 84, 93, 124, 126, 166, 186, 217, 249, 252, 279, 332, 372, 434, 498, 558, 581, 651, 747, 868, 996, 1116, 1162, 1302, 1494, 1743, 1953, 2324, 2573, 2604, 2988, 3486, 3906, 5146, 5229, 6972, 7719, 7812, 10292, 10458, 15438, 18011, 20916, 23157, 30876, 36022, 46314, 54033, 72044, 92628, 108066, 162099, 216132, 324198, 648396]

約数ペア:

[(1, 648396), (2, 324198), (3, 216132), (4, 162099), (6, 108066), (7, 92628), (9, 72044), (12, 54033), (14, 46314), (18, 36022), (21, 30876), (28, 23157), (31, 20916), (36, 18011), (42, 15438), (62, 10458), (63, 10292), (83, 7812), (84, 7719), (93, 6972), (124, 5229), (126, 5146), (166, 3906), (186, 3486), (217, 2988), (249, 2604), (252, 2573), (279, 2324), (332, 1953), (372, 1743), (434, 1494), (498, 1302), (558, 1162), (581, 1116), (651, 996), (747, 868)]