15917168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:585

約数の個数: 40

約数和(自身を含む): 32966640

約数和(自身を除く): 17049472

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 421, 556, 842, 1112, 1684, 2224, 2363, 3368, 4726, 6736, 7157, 9452, 14314, 18904, 28628, 37808, 57256, 58519, 114512, 117038, 234076, 468152, 936304, 994823, 1989646, 3979292, 7958584, 15917168]

約数ペア:

[(1, 15917168), (2, 7958584), (4, 3979292), (8, 1989646), (16, 994823), (17, 936304), (34, 468152), (68, 234076), (136, 117038), (139, 114512), (272, 58519), (278, 57256), (421, 37808), (556, 28628), (842, 18904), (1112, 14314), (1684, 9452), (2224, 7157), (2363, 6736), (3368, 4726)]