31906784

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10957}}^1$

素因数の和:10987

約数の個数: 48

約数和(自身を含む): 77319648

約数和(自身を除く): 45412864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 10957, 21914, 43828, 76699, 87656, 142441, 153398, 175312, 284882, 306796, 350624, 569764, 613592, 997087, 1139528, 1227184, 1994174, 2279056, 2454368, 3988348, 4558112, 7976696, 15953392, 31906784]

約数ペア:

[(1, 31906784), (2, 15953392), (4, 7976696), (7, 4558112), (8, 3988348), (13, 2454368), (14, 2279056), (16, 1994174), (26, 1227184), (28, 1139528), (32, 997087), (52, 613592), (56, 569764), (91, 350624), (104, 306796), (112, 284882), (182, 175312), (208, 153398), (224, 142441), (364, 87656), (416, 76699), (728, 43828), (1456, 21914), (2912, 10957)]