90907504

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 181330160

約数和(自身を除く): 90422656

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 229, 344, 458, 577, 688, 916, 1154, 1832, 2308, 3664, 4616, 9232, 9847, 19694, 24811, 39388, 49622, 78776, 99244, 132133, 157552, 198488, 264266, 396976, 528532, 1057064, 2114128, 5681719, 11363438, 22726876, 45453752, 90907504]

約数ペア:

[(1, 90907504), (2, 45453752), (4, 22726876), (8, 11363438), (16, 5681719), (43, 2114128), (86, 1057064), (172, 528532), (229, 396976), (344, 264266), (458, 198488), (577, 157552), (688, 132133), (916, 99244), (1154, 78776), (1832, 49622), (2308, 39388), (3664, 24811), (4616, 19694), (9232, 9847)]