25447916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 51744000

約数和(自身を除く): 26296084

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 599, 817, 988, 1118, 1198, 1634, 2236, 2396, 3268, 7787, 10621, 11381, 15574, 21242, 22762, 25757, 31148, 42484, 45524, 51514, 103028, 147953, 295906, 334841, 489383, 591812, 669682, 978766, 1339364, 1957532, 6361979, 12723958, 25447916]

約数ペア:

[(1, 25447916), (2, 12723958), (4, 6361979), (13, 1957532), (19, 1339364), (26, 978766), (38, 669682), (43, 591812), (52, 489383), (76, 334841), (86, 295906), (172, 147953), (247, 103028), (494, 51514), (559, 45524), (599, 42484), (817, 31148), (988, 25757), (1118, 22762), (1198, 21242), (1634, 15574), (2236, 11381), (2396, 10621), (3268, 7787)]