289907345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 449003520

約数和(自身を除く): 159096175

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 127, 145, 173, 203, 377, 455, 635, 865, 889, 1015, 1211, 1651, 1885, 2249, 2639, 3683, 4445, 5017, 6055, 8255, 11245, 11557, 13195, 15743, 18415, 21971, 25085, 25781, 35119, 47879, 57785, 65221, 78715, 109855, 128905, 153797, 175595, 239395, 285623, 326105, 335153, 456547, 637159, 768985, 1428115, 1675765, 1999361, 2282735, 3185795, 4460113, 8283067, 9996805, 22300565, 41415335, 57981469, 289907345]

約数ペア:

[(1, 289907345), (5, 57981469), (7, 41415335), (13, 22300565), (29, 9996805), (35, 8283067), (65, 4460113), (91, 3185795), (127, 2282735), (145, 1999361), (173, 1675765), (203, 1428115), (377, 768985), (455, 637159), (635, 456547), (865, 335153), (889, 326105), (1015, 285623), (1211, 239395), (1651, 175595), (1885, 153797), (2249, 128905), (2639, 109855), (3683, 78715), (4445, 65221), (5017, 57785), (6055, 47879), (8255, 35119), (11245, 25781), (11557, 25085), (13195, 21971), (15743, 18415)]