721274868

素因数分解:

$2^2\times 3^4\times {\mathrm{89}}^1\times {\mathrm{25013}}^1$

素因数の和:25118

約数の個数: 60

約数和(自身を含む): 1906817220

約数和(自身を除く): 1185542352

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 267, 324, 356, 534, 801, 1068, 1602, 2403, 3204, 4806, 7209, 9612, 14418, 25013, 28836, 50026, 75039, 100052, 150078, 225117, 300156, 450234, 675351, 900468, 1350702, 2026053, 2226157, 2701404, 4052106, 4452314, 6678471, 8104212, 8904628, 13356942, 20035413, 26713884, 40070826, 60106239, 80141652, 120212478, 180318717, 240424956, 360637434, 721274868]

約数ペア:

[(1, 721274868), (2, 360637434), (3, 240424956), (4, 180318717), (6, 120212478), (9, 80141652), (12, 60106239), (18, 40070826), (27, 26713884), (36, 20035413), (54, 13356942), (81, 8904628), (89, 8104212), (108, 6678471), (162, 4452314), (178, 4052106), (267, 2701404), (324, 2226157), (356, 2026053), (534, 1350702), (801, 900468), (1068, 675351), (1602, 450234), (2403, 300156), (3204, 225117), (4806, 150078), (7209, 100052), (9612, 75039), (14418, 50026), (25013, 28836)]