31431984

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 86137344

約数和(自身を除く): 54705360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 71, 92, 138, 142, 184, 213, 276, 284, 368, 401, 426, 552, 568, 802, 852, 1104, 1136, 1203, 1604, 1633, 1704, 2406, 3208, 3266, 3408, 4812, 4899, 6416, 6532, 9223, 9624, 9798, 13064, 18446, 19248, 19596, 26128, 27669, 28471, 36892, 39192, 55338, 56942, 73784, 78384, 85413, 110676, 113884, 147568, 170826, 221352, 227768, 341652, 442704, 455536, 654833, 683304, 1309666, 1366608, 1964499, 2619332, 3928998, 5238664, 7857996, 10477328, 15715992, 31431984]

約数ペア:

[(1, 31431984), (2, 15715992), (3, 10477328), (4, 7857996), (6, 5238664), (8, 3928998), (12, 2619332), (16, 1964499), (23, 1366608), (24, 1309666), (46, 683304), (48, 654833), (69, 455536), (71, 442704), (92, 341652), (138, 227768), (142, 221352), (184, 170826), (213, 147568), (276, 113884), (284, 110676), (368, 85413), (401, 78384), (426, 73784), (552, 56942), (568, 55338), (802, 39192), (852, 36892), (1104, 28471), (1136, 27669), (1203, 26128), (1604, 19596), (1633, 19248), (1704, 18446), (2406, 13064), (3208, 9798), (3266, 9624), (3408, 9223), (4812, 6532), (4899, 6416)]