438612986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1339

約数の個数: 64

約数和(自身を含む): 836689920

約数和(自身を除く): 398076934

約数列:

[1, 2, 7, 14, 19, 31, 38, 43, 62, 86, 133, 217, 266, 301, 434, 589, 602, 817, 1178, 1237, 1333, 1634, 2474, 2666, 4123, 5719, 8246, 8659, 9331, 11438, 17318, 18662, 23503, 25327, 38347, 47006, 50654, 53191, 76694, 106382, 164521, 177289, 268429, 329042, 354578, 372337, 536858, 728593, 744674, 1010629, 1457186, 1648921, 2021258, 3297842, 5100151, 7074403, 10200302, 11542447, 14148806, 23084894, 31329499, 62658998, 219306493, 438612986]

約数ペア:

[(1, 438612986), (2, 219306493), (7, 62658998), (14, 31329499), (19, 23084894), (31, 14148806), (38, 11542447), (43, 10200302), (62, 7074403), (86, 5100151), (133, 3297842), (217, 2021258), (266, 1648921), (301, 1457186), (434, 1010629), (589, 744674), (602, 728593), (817, 536858), (1178, 372337), (1237, 354578), (1333, 329042), (1634, 268429), (2474, 177289), (2666, 164521), (4123, 106382), (5719, 76694), (8246, 53191), (8659, 50654), (9331, 47006), (11438, 38347), (17318, 25327), (18662, 23503)]