164743345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 240045120

約数和(自身を除く): 75301775

約数列:

[1, 5, 13, 17, 29, 53, 65, 85, 97, 145, 221, 265, 377, 485, 493, 689, 901, 1105, 1261, 1537, 1649, 1885, 2465, 2813, 3445, 4505, 5141, 6305, 6409, 7685, 8245, 11713, 14065, 19981, 21437, 25705, 26129, 32045, 36569, 47821, 58565, 66833, 87397, 99905, 107185, 130645, 149089, 182845, 239105, 334165, 339677, 436985, 621673, 745445, 1136161, 1698385, 1938157, 2534513, 3108365, 5680805, 9690785, 12672565, 32948669, 164743345]

約数ペア:

[(1, 164743345), (5, 32948669), (13, 12672565), (17, 9690785), (29, 5680805), (53, 3108365), (65, 2534513), (85, 1938157), (97, 1698385), (145, 1136161), (221, 745445), (265, 621673), (377, 436985), (485, 339677), (493, 334165), (689, 239105), (901, 182845), (1105, 149089), (1261, 130645), (1537, 107185), (1649, 99905), (1885, 87397), (2465, 66833), (2813, 58565), (3445, 47821), (4505, 36569), (5141, 32045), (6305, 26129), (6409, 25705), (7685, 21437), (8245, 19981), (11713, 14065)]