81830518

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 161118720

約数和(自身を除く): 79288202

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 73, 77, 146, 154, 203, 251, 319, 406, 502, 511, 638, 803, 1022, 1606, 1757, 2117, 2233, 2761, 3514, 4234, 4466, 5522, 5621, 7279, 11242, 14558, 14819, 18323, 19327, 23287, 29638, 36646, 38654, 46574, 50953, 80069, 101906, 128261, 160138, 163009, 201553, 256522, 326018, 403106, 531367, 560483, 1062734, 1120966, 1410871, 2821742, 3719569, 5845037, 7439138, 11690074, 40915259, 81830518]

約数ペア:

[(1, 81830518), (2, 40915259), (7, 11690074), (11, 7439138), (14, 5845037), (22, 3719569), (29, 2821742), (58, 1410871), (73, 1120966), (77, 1062734), (146, 560483), (154, 531367), (203, 403106), (251, 326018), (319, 256522), (406, 201553), (502, 163009), (511, 160138), (638, 128261), (803, 101906), (1022, 80069), (1606, 50953), (1757, 46574), (2117, 38654), (2233, 36646), (2761, 29638), (3514, 23287), (4234, 19327), (4466, 18323), (5522, 14819), (5621, 14558), (7279, 11242)]