438546836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 962062080

約数和(自身を除く): 523515244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 239, 284, 364, 478, 497, 923, 956, 994, 1673, 1846, 1988, 3107, 3346, 3692, 5041, 6214, 6461, 6692, 10082, 12428, 12922, 16969, 20164, 21749, 25844, 33938, 35287, 43498, 65533, 67876, 70574, 86996, 118783, 131066, 141148, 220597, 237566, 262132, 441194, 458731, 475132, 882388, 917462, 1204799, 1544179, 1834924, 2409598, 3088358, 4819196, 6176716, 8433593, 15662387, 16867186, 31324774, 33734372, 62649548, 109636709, 219273418, 438546836]

約数ペア:

[(1, 438546836), (2, 219273418), (4, 109636709), (7, 62649548), (13, 33734372), (14, 31324774), (26, 16867186), (28, 15662387), (52, 8433593), (71, 6176716), (91, 4819196), (142, 3088358), (182, 2409598), (239, 1834924), (284, 1544179), (364, 1204799), (478, 917462), (497, 882388), (923, 475132), (956, 458731), (994, 441194), (1673, 262132), (1846, 237566), (1988, 220597), (3107, 141148), (3346, 131066), (3692, 118783), (5041, 86996), (6214, 70574), (6461, 67876), (6692, 65533), (10082, 43498), (12428, 35287), (12922, 33938), (16969, 25844), (20164, 21749)]