391080066

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 874976256

約数和(自身を除く): 483896190

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 197, 394, 403, 591, 806, 821, 1182, 1209, 1642, 2418, 2463, 2561, 4926, 5122, 6107, 7683, 10673, 12214, 15366, 18321, 21346, 25451, 32019, 36642, 50902, 64038, 76353, 79391, 152706, 158782, 161737, 238173, 323474, 330863, 476346, 485211, 661726, 970422, 992589, 1985178, 2102581, 4205162, 5013847, 6307743, 10027694, 12615486, 15041541, 30083082, 65180011, 130360022, 195540033, 391080066]

約数ペア:

[(1, 391080066), (2, 195540033), (3, 130360022), (6, 65180011), (13, 30083082), (26, 15041541), (31, 12615486), (39, 10027694), (62, 6307743), (78, 5013847), (93, 4205162), (186, 2102581), (197, 1985178), (394, 992589), (403, 970422), (591, 661726), (806, 485211), (821, 476346), (1182, 330863), (1209, 323474), (1642, 238173), (2418, 161737), (2463, 158782), (2561, 152706), (4926, 79391), (5122, 76353), (6107, 64038), (7683, 50902), (10673, 36642), (12214, 32019), (15366, 25451), (18321, 21346)]