31495178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 57394656

約数和(自身を除く): 25899478

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 169, 197, 286, 338, 394, 473, 559, 946, 1118, 1859, 2167, 2561, 3718, 4334, 5122, 6149, 7267, 8471, 12298, 14534, 16942, 28171, 33293, 56342, 66586, 79937, 93181, 110123, 159874, 186362, 220246, 366223, 732446, 1211353, 1431599, 2422706, 2863198, 15747589, 31495178]

約数ペア:

[(1, 31495178), (2, 15747589), (11, 2863198), (13, 2422706), (22, 1431599), (26, 1211353), (43, 732446), (86, 366223), (143, 220246), (169, 186362), (197, 159874), (286, 110123), (338, 93181), (394, 79937), (473, 66586), (559, 56342), (946, 33293), (1118, 28171), (1859, 16942), (2167, 14534), (2561, 12298), (3718, 8471), (4334, 7267), (5122, 6149)]