77697890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 143648640

約数和(自身を除く): 65950750

約数列:

[1, 2, 5, 10, 67, 89, 134, 178, 335, 445, 670, 890, 1303, 2606, 5963, 6515, 11926, 13030, 29815, 59630, 87301, 115967, 174602, 231934, 436505, 579835, 873010, 1159670, 7769789, 15539578, 38848945, 77697890]

約数ペア:

[(1, 77697890), (2, 38848945), (5, 15539578), (10, 7769789), (67, 1159670), (89, 873010), (134, 579835), (178, 436505), (335, 231934), (445, 174602), (670, 115967), (890, 87301), (1303, 59630), (2606, 29815), (5963, 13030), (6515, 11926)]