388403947

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 448761600

約数和(自身を除く): 60357653

約数列:

[1, 17, 19, 41, 139, 211, 323, 697, 779, 2363, 2641, 3587, 4009, 5699, 8651, 13243, 29329, 44897, 68153, 96883, 108281, 147067, 164369, 498593, 557251, 1202489, 1840777, 2794273, 9473267, 20442313, 22847291, 388403947]

約数ペア:

[(1, 388403947), (17, 22847291), (19, 20442313), (41, 9473267), (139, 2794273), (211, 1840777), (323, 1202489), (697, 557251), (779, 498593), (2363, 164369), (2641, 147067), (3587, 108281), (4009, 96883), (5699, 68153), (8651, 44897), (13243, 29329)]