71657690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 141312600

約数和(自身を除く): 69654910

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 169, 218, 338, 389, 545, 778, 845, 1090, 1417, 1690, 1945, 2834, 3890, 5057, 7085, 10114, 14170, 18421, 25285, 36842, 42401, 50570, 65741, 84802, 92105, 131482, 184210, 212005, 328705, 424010, 551213, 657410, 1102426, 2756065, 5512130, 7165769, 14331538, 35828845, 71657690]

約数ペア:

[(1, 71657690), (2, 35828845), (5, 14331538), (10, 7165769), (13, 5512130), (26, 2756065), (65, 1102426), (109, 657410), (130, 551213), (169, 424010), (218, 328705), (338, 212005), (389, 184210), (545, 131482), (778, 92105), (845, 84802), (1090, 65741), (1417, 50570), (1690, 42401), (1945, 36842), (2834, 25285), (3890, 18421), (5057, 14170), (7085, 10114)]