394549136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{2399}}^1$

素因数の和:2967

約数の個数: 40

約数和(自身を含む): 806496000

約数和(自身を除く): 411946864

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 541, 1082, 2164, 2399, 4328, 4798, 8656, 9596, 10279, 19192, 20558, 38384, 41116, 45581, 82232, 91162, 164464, 182324, 364648, 729296, 1297859, 2595718, 5191436, 10382872, 20765744, 24659321, 49318642, 98637284, 197274568, 394549136]

約数ペア:

[(1, 394549136), (2, 197274568), (4, 98637284), (8, 49318642), (16, 24659321), (19, 20765744), (38, 10382872), (76, 5191436), (152, 2595718), (304, 1297859), (541, 729296), (1082, 364648), (2164, 182324), (2399, 164464), (4328, 91162), (4798, 82232), (8656, 45581), (9596, 41116), (10279, 38384), (19192, 20558)]