31180254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1025

約数の個数: 64

約数和(自身を含む): 76930560

約数和(自身を除く): 45750306

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 82, 114, 123, 133, 246, 266, 287, 399, 574, 779, 798, 861, 953, 1558, 1722, 1906, 2337, 2859, 4674, 5453, 5718, 6671, 10906, 13342, 16359, 18107, 20013, 32718, 36214, 39073, 40026, 54321, 78146, 108642, 117219, 126749, 234438, 253498, 273511, 380247, 547022, 742387, 760494, 820533, 1484774, 1641066, 2227161, 4454322, 5196709, 10393418, 15590127, 31180254]

約数ペア:

[(1, 31180254), (2, 15590127), (3, 10393418), (6, 5196709), (7, 4454322), (14, 2227161), (19, 1641066), (21, 1484774), (38, 820533), (41, 760494), (42, 742387), (57, 547022), (82, 380247), (114, 273511), (123, 253498), (133, 234438), (246, 126749), (266, 117219), (287, 108642), (399, 78146), (574, 54321), (779, 40026), (798, 39073), (861, 36214), (953, 32718), (1558, 20013), (1722, 18107), (1906, 16359), (2337, 13342), (2859, 10906), (4674, 6671), (5453, 5718)]