3987928

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 9331200

約数和(自身を除く): 5343272

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 59, 68, 71, 118, 119, 136, 142, 236, 238, 284, 413, 472, 476, 497, 568, 826, 952, 994, 1003, 1207, 1652, 1988, 2006, 2414, 3304, 3976, 4012, 4189, 4828, 7021, 8024, 8378, 8449, 9656, 14042, 16756, 16898, 28084, 29323, 33512, 33796, 56168, 58646, 67592, 71213, 117292, 142426, 234584, 284852, 498491, 569704, 996982, 1993964, 3987928]

約数ペア:

[(1, 3987928), (2, 1993964), (4, 996982), (7, 569704), (8, 498491), (14, 284852), (17, 234584), (28, 142426), (34, 117292), (56, 71213), (59, 67592), (68, 58646), (71, 56168), (118, 33796), (119, 33512), (136, 29323), (142, 28084), (236, 16898), (238, 16756), (284, 14042), (413, 9656), (472, 8449), (476, 8378), (497, 8024), (568, 7021), (826, 4828), (952, 4189), (994, 4012), (1003, 3976), (1207, 3304), (1652, 2414), (1988, 2006)]