399505284

素因数分解:

$2^2\times 3^4\times {\mathrm{59}}^1\times {\mathrm{20899}}^1$

素因数の和:20974

約数の個数: 60

約数和(自身を含む): 1062138000

約数和(自身を除く): 662632716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 81, 108, 118, 162, 177, 236, 324, 354, 531, 708, 1062, 1593, 2124, 3186, 4779, 6372, 9558, 19116, 20899, 41798, 62697, 83596, 125394, 188091, 250788, 376182, 564273, 752364, 1128546, 1233041, 1692819, 2257092, 2466082, 3385638, 3699123, 4932164, 6771276, 7398246, 11097369, 14796492, 22194738, 33292107, 44389476, 66584214, 99876321, 133168428, 199752642, 399505284]

約数ペア:

[(1, 399505284), (2, 199752642), (3, 133168428), (4, 99876321), (6, 66584214), (9, 44389476), (12, 33292107), (18, 22194738), (27, 14796492), (36, 11097369), (54, 7398246), (59, 6771276), (81, 4932164), (108, 3699123), (118, 3385638), (162, 2466082), (177, 2257092), (236, 1692819), (324, 1233041), (354, 1128546), (531, 752364), (708, 564273), (1062, 376182), (1593, 250788), (2124, 188091), (3186, 125394), (4779, 83596), (6372, 62697), (9558, 41798), (19116, 20899)]