217415628

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{13757}}^1$

素因数の和:14206

約数の個数: 36

約数和(自身を含む): 550870320

約数和(自身を除く): 333454692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1317, 1756, 2634, 3951, 5268, 7902, 13757, 15804, 27514, 41271, 55028, 82542, 123813, 165084, 247626, 495252, 6039323, 12078646, 18117969, 24157292, 36235938, 54353907, 72471876, 108707814, 217415628]

約数ペア:

[(1, 217415628), (2, 108707814), (3, 72471876), (4, 54353907), (6, 36235938), (9, 24157292), (12, 18117969), (18, 12078646), (36, 6039323), (439, 495252), (878, 247626), (1317, 165084), (1756, 123813), (2634, 82542), (3951, 55028), (5268, 41271), (7902, 27514), (13757, 15804)]