40970398

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 72612288

約数和(自身を除く): 31641890

約数列:

[1, 2, 7, 14, 41, 82, 137, 274, 287, 521, 574, 959, 1042, 1918, 3647, 5617, 7294, 11234, 21361, 39319, 42722, 71377, 78638, 142754, 149527, 299054, 499639, 999278, 2926457, 5852914, 20485199, 40970398]

約数ペア:

[(1, 40970398), (2, 20485199), (7, 5852914), (14, 2926457), (41, 999278), (82, 499639), (137, 299054), (274, 149527), (287, 142754), (521, 78638), (574, 71377), (959, 42722), (1042, 39319), (1918, 21361), (3647, 11234), (5617, 7294)]