123239168

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1997

約数の個数: 72

約数和(自身を含む): 279006000

約数和(自身を除く): 155766832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1664, 1949, 1976, 2432, 3328, 3898, 3952, 4864, 7796, 7904, 15592, 15808, 25337, 31184, 31616, 37031, 50674, 62368, 63232, 74062, 101348, 124736, 148124, 202696, 249472, 296248, 405392, 481403, 498944, 592496, 810784, 962806, 1184992, 1621568, 1925612, 2369984, 3243136, 3851224, 4739968, 6486272, 7702448, 9479936, 15404896, 30809792, 61619584, 123239168]

約数ペア:

[(1, 123239168), (2, 61619584), (4, 30809792), (8, 15404896), (13, 9479936), (16, 7702448), (19, 6486272), (26, 4739968), (32, 3851224), (38, 3243136), (52, 2369984), (64, 1925612), (76, 1621568), (104, 1184992), (128, 962806), (152, 810784), (208, 592496), (247, 498944), (256, 481403), (304, 405392), (416, 296248), (494, 249472), (608, 202696), (832, 148124), (988, 124736), (1216, 101348), (1664, 74062), (1949, 63232), (1976, 62368), (2432, 50674), (3328, 37031), (3898, 31616), (3952, 31184), (4864, 25337), (7796, 15808), (7904, 15592)]