123947551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 158054400

約数和(自身を除く): 34106849

約数列:

[1, 7, 13, 41, 91, 139, 239, 287, 533, 973, 1673, 1807, 3107, 3731, 5699, 9799, 12649, 21749, 33221, 39893, 68593, 74087, 127387, 232547, 431873, 518609, 891709, 1362061, 3023111, 9534427, 17706793, 123947551]

約数ペア:

[(1, 123947551), (7, 17706793), (13, 9534427), (41, 3023111), (91, 1362061), (139, 891709), (239, 518609), (287, 431873), (533, 232547), (973, 127387), (1673, 74087), (1807, 68593), (3107, 39893), (3731, 33221), (5699, 21749), (9799, 12649)]