17977466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 31162320

約数和(自身を除く): 13184854

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 442, 457, 914, 1157, 1513, 2314, 3026, 5941, 7769, 11882, 15538, 19669, 39338, 40673, 81346, 100997, 201994, 528749, 691441, 1057498, 1382882, 8988733, 17977466]

約数ペア:

[(1, 17977466), (2, 8988733), (13, 1382882), (17, 1057498), (26, 691441), (34, 528749), (89, 201994), (178, 100997), (221, 81346), (442, 40673), (457, 39338), (914, 19669), (1157, 15538), (1513, 11882), (2314, 7769), (3026, 5941)]