15517328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:755

約数の個数: 40

約数和(自身を含む): 32241240

約数和(自身を除く): 16723912

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 89, 136, 178, 272, 356, 641, 712, 1282, 1424, 1513, 2564, 3026, 5128, 6052, 10256, 10897, 12104, 21794, 24208, 43588, 57049, 87176, 114098, 174352, 228196, 456392, 912784, 969833, 1939666, 3879332, 7758664, 15517328]

約数ペア:

[(1, 15517328), (2, 7758664), (4, 3879332), (8, 1939666), (16, 969833), (17, 912784), (34, 456392), (68, 228196), (89, 174352), (136, 114098), (178, 87176), (272, 57049), (356, 43588), (641, 24208), (712, 21794), (1282, 12104), (1424, 10897), (1513, 10256), (2564, 6052), (3026, 5128)]