31867316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 66407040

約数和(自身を除く): 34539724

約数列:

[1, 2, 4, 13, 17, 26, 34, 47, 52, 59, 68, 94, 118, 169, 188, 221, 236, 338, 442, 611, 676, 767, 799, 884, 1003, 1222, 1534, 1598, 2006, 2444, 2773, 2873, 3068, 3196, 4012, 5546, 5746, 7943, 9971, 10387, 11092, 11492, 13039, 15886, 19942, 20774, 26078, 31772, 36049, 39884, 41548, 47141, 52156, 72098, 94282, 135031, 144196, 169507, 188564, 270062, 339014, 468637, 540124, 612833, 678028, 937274, 1225666, 1874548, 2451332, 7966829, 15933658, 31867316]

約数ペア:

[(1, 31867316), (2, 15933658), (4, 7966829), (13, 2451332), (17, 1874548), (26, 1225666), (34, 937274), (47, 678028), (52, 612833), (59, 540124), (68, 468637), (94, 339014), (118, 270062), (169, 188564), (188, 169507), (221, 144196), (236, 135031), (338, 94282), (442, 72098), (611, 52156), (676, 47141), (767, 41548), (799, 39884), (884, 36049), (1003, 31772), (1222, 26078), (1534, 20774), (1598, 19942), (2006, 15886), (2444, 13039), (2773, 11492), (2873, 11092), (3068, 10387), (3196, 9971), (4012, 7943), (5546, 5746)]