91379990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 179852400

約数和(自身を除く): 88472410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 169, 278, 338, 389, 695, 778, 845, 1390, 1690, 1807, 1945, 3614, 3890, 5057, 9035, 10114, 18070, 23491, 25285, 46982, 50570, 54071, 65741, 108142, 117455, 131482, 234910, 270355, 328705, 540710, 657410, 702923, 1405846, 3514615, 7029230, 9137999, 18275998, 45689995, 91379990]

約数ペア:

[(1, 91379990), (2, 45689995), (5, 18275998), (10, 9137999), (13, 7029230), (26, 3514615), (65, 1405846), (130, 702923), (139, 657410), (169, 540710), (278, 328705), (338, 270355), (389, 234910), (695, 131482), (778, 117455), (845, 108142), (1390, 65741), (1690, 54071), (1807, 50570), (1945, 46982), (3614, 25285), (3890, 23491), (5057, 18070), (9035, 10114)]