199438568

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 444873600

約数和(自身を除く): 245435032

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 227, 232, 406, 454, 541, 812, 908, 1082, 1589, 1624, 1816, 2164, 3178, 3787, 4328, 6356, 6583, 7574, 12712, 13166, 15148, 15689, 26332, 30296, 31378, 46081, 52664, 62756, 92162, 109823, 122807, 125512, 184324, 219646, 245614, 368648, 439292, 491228, 859649, 878584, 982456, 1719298, 3438596, 3561403, 6877192, 7122806, 14245612, 24929821, 28491224, 49859642, 99719284, 199438568]

約数ペア:

[(1, 199438568), (2, 99719284), (4, 49859642), (7, 28491224), (8, 24929821), (14, 14245612), (28, 7122806), (29, 6877192), (56, 3561403), (58, 3438596), (116, 1719298), (203, 982456), (227, 878584), (232, 859649), (406, 491228), (454, 439292), (541, 368648), (812, 245614), (908, 219646), (1082, 184324), (1589, 125512), (1624, 122807), (1816, 109823), (2164, 92162), (3178, 62756), (3787, 52664), (4328, 46081), (6356, 31378), (6583, 30296), (7574, 26332), (12712, 15689), (13166, 15148)]