390685358

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{10639}}^1$

素因数の和:10752

約数の個数: 32

約数和(自身を含む): 696622080

約数和(自身を除く): 305936722

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 602, 854, 2623, 5246, 10639, 18361, 21278, 36722, 74473, 148946, 457477, 648979, 914954, 1297958, 3202339, 4542853, 6404678, 9085706, 27906097, 55812194, 195342679, 390685358]

約数ペア:

[(1, 390685358), (2, 195342679), (7, 55812194), (14, 27906097), (43, 9085706), (61, 6404678), (86, 4542853), (122, 3202339), (301, 1297958), (427, 914954), (602, 648979), (854, 457477), (2623, 148946), (5246, 74473), (10639, 36722), (18361, 21278)]