15987248

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 31917600

約数和(自身を除く): 15930352

約数列:

[1, 2, 4, 8, 16, 89, 103, 109, 178, 206, 218, 356, 412, 436, 712, 824, 872, 1424, 1648, 1744, 9167, 9701, 11227, 18334, 19402, 22454, 36668, 38804, 44908, 73336, 77608, 89816, 146672, 155216, 179632, 999203, 1998406, 3996812, 7993624, 15987248]

約数ペア:

[(1, 15987248), (2, 7993624), (4, 3996812), (8, 1998406), (16, 999203), (89, 179632), (103, 155216), (109, 146672), (178, 89816), (206, 77608), (218, 73336), (356, 44908), (412, 38804), (436, 36668), (712, 22454), (824, 19402), (872, 18334), (1424, 11227), (1648, 9701), (1744, 9167)]