28540432

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 58607360

約数和(自身を除く): 30066928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 223, 304, 421, 446, 842, 892, 1684, 1784, 3368, 3568, 4237, 6736, 7999, 8474, 15998, 16948, 31996, 33896, 63992, 67792, 93883, 127984, 187766, 375532, 751064, 1502128, 1783777, 3567554, 7135108, 14270216, 28540432]

約数ペア:

[(1, 28540432), (2, 14270216), (4, 7135108), (8, 3567554), (16, 1783777), (19, 1502128), (38, 751064), (76, 375532), (152, 187766), (223, 127984), (304, 93883), (421, 67792), (446, 63992), (842, 33896), (892, 31996), (1684, 16948), (1784, 15998), (3368, 8474), (3568, 7999), (4237, 6736)]