31118048

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 72253440

約数和(自身を除く): 41135392

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 76, 104, 124, 127, 152, 208, 247, 248, 254, 304, 403, 416, 494, 496, 508, 589, 608, 806, 988, 992, 1016, 1178, 1612, 1651, 1976, 2032, 2356, 2413, 3224, 3302, 3937, 3952, 4064, 4712, 4826, 6448, 6604, 7657, 7874, 7904, 9424, 9652, 12896, 13208, 15314, 15748, 18848, 19304, 26416, 30628, 31369, 31496, 38608, 51181, 52832, 61256, 62738, 62992, 74803, 77216, 102362, 122512, 125476, 125984, 149606, 204724, 245024, 250952, 299212, 409448, 501904, 598424, 818896, 972439, 1003808, 1196848, 1637792, 1944878, 2393696, 3889756, 7779512, 15559024, 31118048]

約数ペア:

[(1, 31118048), (2, 15559024), (4, 7779512), (8, 3889756), (13, 2393696), (16, 1944878), (19, 1637792), (26, 1196848), (31, 1003808), (32, 972439), (38, 818896), (52, 598424), (62, 501904), (76, 409448), (104, 299212), (124, 250952), (127, 245024), (152, 204724), (208, 149606), (247, 125984), (248, 125476), (254, 122512), (304, 102362), (403, 77216), (416, 74803), (494, 62992), (496, 62738), (508, 61256), (589, 52832), (608, 51181), (806, 38608), (988, 31496), (992, 31369), (1016, 30628), (1178, 26416), (1612, 19304), (1651, 18848), (1976, 15748), (2032, 15314), (2356, 13208), (2413, 12896), (3224, 9652), (3302, 9424), (3937, 7904), (3952, 7874), (4064, 7657), (4712, 6604), (4826, 6448)]