31921032

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 95800320

約数和(自身を除く): 63879288

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 71, 78, 88, 104, 131, 132, 142, 143, 156, 213, 262, 264, 284, 286, 312, 393, 426, 429, 524, 568, 572, 781, 786, 852, 858, 923, 1048, 1144, 1441, 1562, 1572, 1703, 1704, 1716, 1846, 2343, 2769, 2882, 3124, 3144, 3406, 3432, 3692, 4323, 4686, 5109, 5538, 5764, 6248, 6812, 7384, 8646, 9301, 9372, 10153, 10218, 11076, 11528, 13624, 17292, 18602, 18733, 18744, 20306, 20436, 22152, 27903, 30459, 34584, 37204, 37466, 40612, 40872, 55806, 56199, 60918, 74408, 74932, 81224, 102311, 111612, 112398, 120913, 121836, 149864, 204622, 223224, 224796, 241826, 243672, 306933, 362739, 409244, 449592, 483652, 613866, 725478, 818488, 967304, 1227732, 1330043, 1450956, 2455464, 2660086, 2901912, 3990129, 5320172, 7980258, 10640344, 15960516, 31921032]

約数ペア:

[(1, 31921032), (2, 15960516), (3, 10640344), (4, 7980258), (6, 5320172), (8, 3990129), (11, 2901912), (12, 2660086), (13, 2455464), (22, 1450956), (24, 1330043), (26, 1227732), (33, 967304), (39, 818488), (44, 725478), (52, 613866), (66, 483652), (71, 449592), (78, 409244), (88, 362739), (104, 306933), (131, 243672), (132, 241826), (142, 224796), (143, 223224), (156, 204622), (213, 149864), (262, 121836), (264, 120913), (284, 112398), (286, 111612), (312, 102311), (393, 81224), (426, 74932), (429, 74408), (524, 60918), (568, 56199), (572, 55806), (781, 40872), (786, 40612), (852, 37466), (858, 37204), (923, 34584), (1048, 30459), (1144, 27903), (1441, 22152), (1562, 20436), (1572, 20306), (1703, 18744), (1704, 18733), (1716, 18602), (1846, 17292), (2343, 13624), (2769, 11528), (2882, 11076), (3124, 10218), (3144, 10153), (3406, 9372), (3432, 9301), (3692, 8646), (4323, 7384), (4686, 6812), (5109, 6248), (5538, 5764)]