25928070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 71525376

約数和(自身を除く): 45597306

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 311, 397, 622, 794, 933, 1191, 1555, 1866, 1985, 2177, 2382, 2779, 3110, 3970, 4354, 4665, 5558, 5955, 6531, 8337, 9330, 10885, 11910, 13062, 13895, 16674, 21770, 27790, 32655, 41685, 65310, 83370, 123467, 246934, 370401, 617335, 740802, 864269, 1234670, 1728538, 1852005, 2592807, 3704010, 4321345, 5185614, 8642690, 12964035, 25928070]

約数ペア:

[(1, 25928070), (2, 12964035), (3, 8642690), (5, 5185614), (6, 4321345), (7, 3704010), (10, 2592807), (14, 1852005), (15, 1728538), (21, 1234670), (30, 864269), (35, 740802), (42, 617335), (70, 370401), (105, 246934), (210, 123467), (311, 83370), (397, 65310), (622, 41685), (794, 32655), (933, 27790), (1191, 21770), (1555, 16674), (1866, 13895), (1985, 13062), (2177, 11910), (2382, 10885), (2779, 9330), (3110, 8337), (3970, 6531), (4354, 5955), (4665, 5558)]