643416

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 1814400

約数和(自身を除く): 1170984

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 83, 102, 114, 136, 152, 166, 204, 228, 249, 323, 332, 408, 456, 498, 646, 664, 969, 996, 1292, 1411, 1577, 1938, 1992, 2584, 2822, 3154, 3876, 4233, 4731, 5644, 6308, 7752, 8466, 9462, 11288, 12616, 16932, 18924, 26809, 33864, 37848, 53618, 80427, 107236, 160854, 214472, 321708, 643416]

約数ペア:

[(1, 643416), (2, 321708), (3, 214472), (4, 160854), (6, 107236), (8, 80427), (12, 53618), (17, 37848), (19, 33864), (24, 26809), (34, 18924), (38, 16932), (51, 12616), (57, 11288), (68, 9462), (76, 8466), (83, 7752), (102, 6308), (114, 5644), (136, 4731), (152, 4233), (166, 3876), (204, 3154), (228, 2822), (249, 2584), (323, 1992), (332, 1938), (408, 1577), (456, 1411), (498, 1292), (646, 996), (664, 969)]