25171276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 50764000

約数和(自身を除く): 25592724

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 73, 76, 146, 247, 292, 349, 494, 698, 949, 988, 1387, 1396, 1898, 2774, 3796, 4537, 5548, 6631, 9074, 13262, 18031, 18148, 25477, 26524, 36062, 50954, 72124, 86203, 101908, 172406, 331201, 344812, 484063, 662402, 968126, 1324804, 1936252, 6292819, 12585638, 25171276]

約数ペア:

[(1, 25171276), (2, 12585638), (4, 6292819), (13, 1936252), (19, 1324804), (26, 968126), (38, 662402), (52, 484063), (73, 344812), (76, 331201), (146, 172406), (247, 101908), (292, 86203), (349, 72124), (494, 50954), (698, 36062), (949, 26524), (988, 25477), (1387, 18148), (1396, 18031), (1898, 13262), (2774, 9074), (3796, 6631), (4537, 5548)]