257530476

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{437977}}^1$

素因数の和:437998

約数の個数: 36

約数和(自身を含む): 699012888

約数和(自身を除く): 441482412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 437977, 875954, 1313931, 1751908, 2627862, 3065839, 5255724, 6131678, 9197517, 12263356, 18395034, 21460873, 36790068, 42921746, 64382619, 85843492, 128765238, 257530476]

約数ペア:

[(1, 257530476), (2, 128765238), (3, 85843492), (4, 64382619), (6, 42921746), (7, 36790068), (12, 21460873), (14, 18395034), (21, 12263356), (28, 9197517), (42, 6131678), (49, 5255724), (84, 3065839), (98, 2627862), (147, 1751908), (196, 1313931), (294, 875954), (588, 437977)]