31357648

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 77352192

約数和(自身を除く): 45994544

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 37, 46, 47, 49, 56, 74, 92, 94, 98, 112, 148, 161, 184, 188, 196, 259, 296, 322, 329, 368, 376, 392, 518, 592, 644, 658, 752, 784, 851, 1036, 1081, 1127, 1288, 1316, 1702, 1739, 1813, 2072, 2162, 2254, 2303, 2576, 2632, 3404, 3478, 3626, 4144, 4324, 4508, 4606, 5264, 5957, 6808, 6956, 7252, 7567, 8648, 9016, 9212, 11914, 12173, 13616, 13912, 14504, 15134, 17296, 18032, 18424, 23828, 24346, 27824, 29008, 30268, 36848, 39997, 41699, 47656, 48692, 52969, 60536, 79994, 83398, 85211, 95312, 97384, 105938, 121072, 159988, 166796, 170422, 194768, 211876, 279979, 319976, 333592, 340844, 423752, 559958, 639952, 667184, 681688, 847504, 1119916, 1363376, 1959853, 2239832, 3919706, 4479664, 7839412, 15678824, 31357648]

約数ペア:

[(1, 31357648), (2, 15678824), (4, 7839412), (7, 4479664), (8, 3919706), (14, 2239832), (16, 1959853), (23, 1363376), (28, 1119916), (37, 847504), (46, 681688), (47, 667184), (49, 639952), (56, 559958), (74, 423752), (92, 340844), (94, 333592), (98, 319976), (112, 279979), (148, 211876), (161, 194768), (184, 170422), (188, 166796), (196, 159988), (259, 121072), (296, 105938), (322, 97384), (329, 95312), (368, 85211), (376, 83398), (392, 79994), (518, 60536), (592, 52969), (644, 48692), (658, 47656), (752, 41699), (784, 39997), (851, 36848), (1036, 30268), (1081, 29008), (1127, 27824), (1288, 24346), (1316, 23828), (1702, 18424), (1739, 18032), (1813, 17296), (2072, 15134), (2162, 14504), (2254, 13912), (2303, 13616), (2576, 12173), (2632, 11914), (3404, 9212), (3478, 9016), (3626, 8648), (4144, 7567), (4324, 7252), (4508, 6956), (4606, 6808), (5264, 5957)]