641442011

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 794562048

約数和(自身を除く): 153120037

約数列:

[1, 7, 17, 83, 101, 119, 581, 643, 707, 1411, 1717, 4501, 8383, 9877, 10931, 12019, 53369, 58681, 64943, 76517, 142511, 373583, 454601, 907273, 997577, 1104031, 5390269, 6350911, 7728217, 37731883, 91634573, 641442011]

約数ペア:

[(1, 641442011), (7, 91634573), (17, 37731883), (83, 7728217), (101, 6350911), (119, 5390269), (581, 1104031), (643, 997577), (707, 907273), (1411, 454601), (1717, 373583), (4501, 142511), (8383, 76517), (9877, 64943), (10931, 58681), (12019, 53369)]