238643146

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 444948480

約数和(自身を除く): 206305334

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 67, 134, 203, 217, 283, 406, 434, 469, 566, 899, 938, 1798, 1943, 1981, 2077, 3886, 3962, 4154, 6293, 8207, 8773, 12586, 13601, 14539, 16414, 17546, 18961, 27202, 29078, 37922, 57449, 60233, 61411, 114898, 120466, 122822, 132727, 254417, 265454, 421631, 508834, 549869, 587791, 843262, 1099738, 1175582, 1780919, 3561838, 3849083, 4114537, 7698166, 8229074, 17045939, 34091878, 119321573, 238643146]

約数ペア:

[(1, 238643146), (2, 119321573), (7, 34091878), (14, 17045939), (29, 8229074), (31, 7698166), (58, 4114537), (62, 3849083), (67, 3561838), (134, 1780919), (203, 1175582), (217, 1099738), (283, 843262), (406, 587791), (434, 549869), (469, 508834), (566, 421631), (899, 265454), (938, 254417), (1798, 132727), (1943, 122822), (1981, 120466), (2077, 114898), (3886, 61411), (3962, 60233), (4154, 57449), (6293, 37922), (8207, 29078), (8773, 27202), (12586, 18961), (13601, 17546), (14539, 16414)]