257228538

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{1993}}^1$

素因数の和:2451

約数の個数: 48

約数和(自身を含む): 600114240

約数和(自身を除く): 342885702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 439, 878, 1317, 1993, 2634, 3073, 3986, 5979, 6146, 9219, 11958, 13951, 18438, 21511, 27902, 41853, 43022, 64533, 83706, 97657, 129066, 195314, 292971, 585942, 874927, 1749854, 2624781, 5249562, 6124489, 12248978, 18373467, 36746934, 42871423, 85742846, 128614269, 257228538]

約数ペア:

[(1, 257228538), (2, 128614269), (3, 85742846), (6, 42871423), (7, 36746934), (14, 18373467), (21, 12248978), (42, 6124489), (49, 5249562), (98, 2624781), (147, 1749854), (294, 874927), (439, 585942), (878, 292971), (1317, 195314), (1993, 129066), (2634, 97657), (3073, 83706), (3986, 64533), (5979, 43022), (6146, 41853), (9219, 27902), (11958, 21511), (13951, 18438)]