393340038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{720403}}^1$

素因数の和:720428

約数の個数: 32

約数和(自身を含む): 968222976

約数和(自身を除く): 574882938

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 720403, 1440806, 2161209, 4322418, 5042821, 9365239, 10085642, 15128463, 18730478, 28095717, 30256926, 56191434, 65556673, 131113346, 196670019, 393340038]

約数ペア:

[(1, 393340038), (2, 196670019), (3, 131113346), (6, 65556673), (7, 56191434), (13, 30256926), (14, 28095717), (21, 18730478), (26, 15128463), (39, 10085642), (42, 9365239), (78, 5042821), (91, 4322418), (182, 2161209), (273, 1440806), (546, 720403)]