399874728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{20749}}^1$

素因数の和:20842

約数の個数: 64

約数和(自身を含む): 1105560000

約数和(自身を除く): 705685272

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 73, 88, 132, 146, 219, 264, 292, 438, 584, 803, 876, 1606, 1752, 2409, 3212, 4818, 6424, 9636, 19272, 20749, 41498, 62247, 82996, 124494, 165992, 228239, 248988, 456478, 497976, 684717, 912956, 1369434, 1514677, 1825912, 2738868, 3029354, 4544031, 5477736, 6058708, 9088062, 12117416, 16661447, 18176124, 33322894, 36352248, 49984341, 66645788, 99968682, 133291576, 199937364, 399874728]

約数ペア:

[(1, 399874728), (2, 199937364), (3, 133291576), (4, 99968682), (6, 66645788), (8, 49984341), (11, 36352248), (12, 33322894), (22, 18176124), (24, 16661447), (33, 12117416), (44, 9088062), (66, 6058708), (73, 5477736), (88, 4544031), (132, 3029354), (146, 2738868), (219, 1825912), (264, 1514677), (292, 1369434), (438, 912956), (584, 684717), (803, 497976), (876, 456478), (1606, 248988), (1752, 228239), (2409, 165992), (3212, 124494), (4818, 82996), (6424, 62247), (9636, 41498), (19272, 20749)]