688325498

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{12197}}^1$

素因数の和:12374

約数の個数: 32

約数和(自身を含む): 1229558400

約数和(自身を除く): 541232902

約数列:

[1, 2, 7, 14, 29, 58, 139, 203, 278, 406, 973, 1946, 4031, 8062, 12197, 24394, 28217, 56434, 85379, 170758, 353713, 707426, 1695383, 2475991, 3390766, 4951982, 11867681, 23735362, 49166107, 98332214, 344162749, 688325498]

約数ペア:

[(1, 688325498), (2, 344162749), (7, 98332214), (14, 49166107), (29, 23735362), (58, 11867681), (139, 4951982), (203, 3390766), (278, 2475991), (406, 1695383), (973, 707426), (1946, 353713), (4031, 170758), (8062, 85379), (12197, 56434), (24394, 28217)]