72914728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 148055040

約数和(自身を除く): 75140312

約数列:

[1, 2, 4, 8, 31, 41, 62, 71, 82, 101, 124, 142, 164, 202, 248, 284, 328, 404, 568, 808, 1271, 2201, 2542, 2911, 3131, 4141, 4402, 5084, 5822, 6262, 7171, 8282, 8804, 10168, 11644, 12524, 14342, 16564, 17608, 23288, 25048, 28684, 33128, 57368, 90241, 128371, 180482, 222301, 256742, 294011, 360964, 444602, 513484, 588022, 721928, 889204, 1026968, 1176044, 1778408, 2352088, 9114341, 18228682, 36457364, 72914728]

約数ペア:

[(1, 72914728), (2, 36457364), (4, 18228682), (8, 9114341), (31, 2352088), (41, 1778408), (62, 1176044), (71, 1026968), (82, 889204), (101, 721928), (124, 588022), (142, 513484), (164, 444602), (202, 360964), (248, 294011), (284, 256742), (328, 222301), (404, 180482), (568, 128371), (808, 90241), (1271, 57368), (2201, 33128), (2542, 28684), (2911, 25048), (3131, 23288), (4141, 17608), (4402, 16564), (5084, 14342), (5822, 12524), (6262, 11644), (7171, 10168), (8282, 8804)]