28800044

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 64350720

約数和(自身を除く): 35550676

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 89, 91, 98, 127, 178, 182, 196, 254, 356, 364, 508, 623, 637, 889, 1157, 1246, 1274, 1651, 1778, 2314, 2492, 2548, 3302, 3556, 4361, 4628, 6223, 6604, 8099, 8722, 11303, 11557, 12446, 16198, 17444, 22606, 23114, 24892, 32396, 45212, 46228, 56693, 79121, 80899, 113386, 146939, 158242, 161798, 226772, 293878, 316484, 323596, 553847, 587756, 1028573, 1107694, 2057146, 2215388, 4114292, 7200011, 14400022, 28800044]

約数ペア:

[(1, 28800044), (2, 14400022), (4, 7200011), (7, 4114292), (13, 2215388), (14, 2057146), (26, 1107694), (28, 1028573), (49, 587756), (52, 553847), (89, 323596), (91, 316484), (98, 293878), (127, 226772), (178, 161798), (182, 158242), (196, 146939), (254, 113386), (356, 80899), (364, 79121), (508, 56693), (623, 46228), (637, 45212), (889, 32396), (1157, 24892), (1246, 23114), (1274, 22606), (1651, 17444), (1778, 16198), (2314, 12446), (2492, 11557), (2548, 11303), (3302, 8722), (3556, 8099), (4361, 6604), (4628, 6223)]