31390744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 74131200

約数和(自身を除く): 42740456

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 131, 154, 262, 308, 389, 524, 616, 778, 917, 1048, 1441, 1556, 1834, 2723, 2882, 3112, 3668, 4279, 5446, 5764, 7336, 8558, 10087, 10892, 11528, 17116, 20174, 21784, 29953, 34232, 40348, 50959, 59906, 80696, 101918, 119812, 203836, 239624, 356713, 407672, 560549, 713426, 1121098, 1426852, 2242196, 2853704, 3923843, 4484392, 7847686, 15695372, 31390744]

約数ペア:

[(1, 31390744), (2, 15695372), (4, 7847686), (7, 4484392), (8, 3923843), (11, 2853704), (14, 2242196), (22, 1426852), (28, 1121098), (44, 713426), (56, 560549), (77, 407672), (88, 356713), (131, 239624), (154, 203836), (262, 119812), (308, 101918), (389, 80696), (524, 59906), (616, 50959), (778, 40348), (917, 34232), (1048, 29953), (1441, 21784), (1556, 20174), (1834, 17116), (2723, 11528), (2882, 10892), (3112, 10087), (3668, 8558), (4279, 7336), (5446, 5764)]