78368521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 114462720

約数和(自身を除く): 36094199

約数列:

[1, 7, 11, 17, 19, 23, 77, 119, 133, 137, 161, 187, 209, 253, 323, 391, 437, 959, 1309, 1463, 1507, 1771, 2261, 2329, 2603, 2737, 3059, 3151, 3553, 4301, 4807, 7429, 10549, 16303, 18221, 22057, 24871, 25619, 28633, 30107, 33649, 34661, 44251, 52003, 53567, 59869, 81719, 179333, 200431, 242627, 309757, 374969, 419083, 486761, 572033, 589237, 658559, 1017773, 3407327, 4124659, 4609913, 7124411, 11195503, 78368521]

約数ペア:

[(1, 78368521), (7, 11195503), (11, 7124411), (17, 4609913), (19, 4124659), (23, 3407327), (77, 1017773), (119, 658559), (133, 589237), (137, 572033), (161, 486761), (187, 419083), (209, 374969), (253, 309757), (323, 242627), (391, 200431), (437, 179333), (959, 81719), (1309, 59869), (1463, 53567), (1507, 52003), (1771, 44251), (2261, 34661), (2329, 33649), (2603, 30107), (2737, 28633), (3059, 25619), (3151, 24871), (3553, 22057), (4301, 18221), (4807, 16303), (7429, 10549)]