1289778832

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{433}}^1\times {\mathrm{2243}}^1$

素因数の和:2767

約数の個数: 40

約数和(自身を含む): 2536025184

約数和(自身を除く): 1246246352

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 433, 664, 866, 1328, 1732, 2243, 3464, 4486, 6928, 8972, 17944, 35888, 35939, 71878, 143756, 186169, 287512, 372338, 575024, 744676, 971219, 1489352, 1942438, 2978704, 3884876, 7769752, 15539504, 80611177, 161222354, 322444708, 644889416, 1289778832]

約数ペア:

[(1, 1289778832), (2, 644889416), (4, 322444708), (8, 161222354), (16, 80611177), (83, 15539504), (166, 7769752), (332, 3884876), (433, 2978704), (664, 1942438), (866, 1489352), (1328, 971219), (1732, 744676), (2243, 575024), (3464, 372338), (4486, 287512), (6928, 186169), (8972, 143756), (17944, 71878), (35888, 35939)]