161642008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 344010240

約数和(自身を除く): 182368232

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 71, 82, 88, 142, 164, 284, 328, 451, 568, 631, 781, 902, 1262, 1562, 1804, 2524, 2911, 3124, 3608, 5048, 5822, 6248, 6941, 11644, 13882, 23288, 25871, 27764, 32021, 44801, 51742, 55528, 64042, 89602, 103484, 128084, 179204, 206968, 256168, 284581, 358408, 492811, 569162, 985622, 1138324, 1836841, 1971244, 2276648, 3673682, 3942488, 7347364, 14694728, 20205251, 40410502, 80821004, 161642008]

約数ペア:

[(1, 161642008), (2, 80821004), (4, 40410502), (8, 20205251), (11, 14694728), (22, 7347364), (41, 3942488), (44, 3673682), (71, 2276648), (82, 1971244), (88, 1836841), (142, 1138324), (164, 985622), (284, 569162), (328, 492811), (451, 358408), (568, 284581), (631, 256168), (781, 206968), (902, 179204), (1262, 128084), (1562, 103484), (1804, 89602), (2524, 64042), (2911, 55528), (3124, 51742), (3608, 44801), (5048, 32021), (5822, 27764), (6248, 25871), (6941, 23288), (11644, 13882)]