1216967518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 2145024000

約数和(自身を除く): 928056482

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 139, 247, 278, 479, 481, 494, 703, 958, 962, 1406, 1807, 2641, 3614, 5143, 5282, 6227, 9101, 9139, 10286, 12454, 17723, 18202, 18278, 34333, 35446, 66581, 66859, 68666, 97717, 118313, 133162, 133718, 195434, 230399, 236626, 336737, 460798, 673474, 865553, 1265039, 1270321, 1731106, 2463497, 2530078, 2540642, 4377581, 4926994, 8755162, 16445507, 32025461, 32891014, 46806443, 64050922, 93612886, 608483759, 1216967518]

約数ペア:

[(1, 1216967518), (2, 608483759), (13, 93612886), (19, 64050922), (26, 46806443), (37, 32891014), (38, 32025461), (74, 16445507), (139, 8755162), (247, 4926994), (278, 4377581), (479, 2540642), (481, 2530078), (494, 2463497), (703, 1731106), (958, 1270321), (962, 1265039), (1406, 865553), (1807, 673474), (2641, 460798), (3614, 336737), (5143, 236626), (5282, 230399), (6227, 195434), (9101, 133718), (9139, 133162), (10286, 118313), (12454, 97717), (17723, 68666), (18202, 66859), (18278, 66581), (34333, 35446)]