31902728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 71366400

約数和(自身を除く): 39463672

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 79, 88, 104, 143, 158, 286, 316, 353, 572, 632, 706, 869, 1027, 1144, 1412, 1738, 2054, 2824, 3476, 3883, 4108, 4589, 6952, 7766, 8216, 9178, 11297, 15532, 18356, 22594, 27887, 31064, 36712, 45188, 50479, 55774, 90376, 100958, 111548, 201916, 223096, 306757, 362531, 403832, 613514, 725062, 1227028, 1450124, 2454056, 2900248, 3987841, 7975682, 15951364, 31902728]

約数ペア:

[(1, 31902728), (2, 15951364), (4, 7975682), (8, 3987841), (11, 2900248), (13, 2454056), (22, 1450124), (26, 1227028), (44, 725062), (52, 613514), (79, 403832), (88, 362531), (104, 306757), (143, 223096), (158, 201916), (286, 111548), (316, 100958), (353, 90376), (572, 55774), (632, 50479), (706, 45188), (869, 36712), (1027, 31064), (1144, 27887), (1412, 22594), (1738, 18356), (2054, 15532), (2824, 11297), (3476, 9178), (3883, 8216), (4108, 7766), (4589, 6952)]