31188846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 72914688

約数和(自身を除く): 41725842

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 43, 51, 78, 86, 102, 129, 221, 258, 442, 547, 559, 663, 731, 1094, 1118, 1326, 1462, 1641, 1677, 2193, 3282, 3354, 4386, 7111, 9299, 9503, 14222, 18598, 19006, 21333, 23521, 27897, 28509, 42666, 47042, 55794, 57018, 70563, 120887, 141126, 241774, 305773, 362661, 399857, 611546, 725322, 799714, 917319, 1199571, 1834638, 2399142, 5198141, 10396282, 15594423, 31188846]

約数ペア:

[(1, 31188846), (2, 15594423), (3, 10396282), (6, 5198141), (13, 2399142), (17, 1834638), (26, 1199571), (34, 917319), (39, 799714), (43, 725322), (51, 611546), (78, 399857), (86, 362661), (102, 305773), (129, 241774), (221, 141126), (258, 120887), (442, 70563), (547, 57018), (559, 55794), (663, 47042), (731, 42666), (1094, 28509), (1118, 27897), (1326, 23521), (1462, 21333), (1641, 19006), (1677, 18598), (2193, 14222), (3282, 9503), (3354, 9299), (4386, 7111)]