217287798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397963}}^1$

素因数の和:397988

約数の個数: 32

約数和(自身を含む): 534863616

約数和(自身を除く): 317575818

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 397963, 795926, 1193889, 2387778, 2785741, 5173519, 5571482, 8357223, 10347038, 15520557, 16714446, 31041114, 36214633, 72429266, 108643899, 217287798]

約数ペア:

[(1, 217287798), (2, 108643899), (3, 72429266), (6, 36214633), (7, 31041114), (13, 16714446), (14, 15520557), (21, 10347038), (26, 8357223), (39, 5571482), (42, 5173519), (78, 2785741), (91, 2387778), (182, 1193889), (273, 795926), (546, 397963)]