15638584

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 32610600

約数和(自身を除く): 16972016

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 269, 338, 344, 538, 559, 676, 1076, 1118, 1352, 2152, 2236, 3497, 4472, 6994, 7267, 11567, 13988, 14534, 23134, 27976, 29068, 45461, 46268, 58136, 90922, 92536, 150371, 181844, 300742, 363688, 601484, 1202968, 1954823, 3909646, 7819292, 15638584]

約数ペア:

[(1, 15638584), (2, 7819292), (4, 3909646), (8, 1954823), (13, 1202968), (26, 601484), (43, 363688), (52, 300742), (86, 181844), (104, 150371), (169, 92536), (172, 90922), (269, 58136), (338, 46268), (344, 45461), (538, 29068), (559, 27976), (676, 23134), (1076, 14534), (1118, 13988), (1352, 11567), (2152, 7267), (2236, 6994), (3497, 4472)]