31791864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 93542400

約数和(自身を除く): 61750536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 104, 114, 124, 152, 156, 173, 186, 228, 247, 248, 312, 346, 372, 403, 456, 494, 519, 589, 692, 741, 744, 806, 988, 1038, 1178, 1209, 1384, 1482, 1612, 1767, 1976, 2076, 2249, 2356, 2418, 2964, 3224, 3287, 3534, 4152, 4498, 4712, 4836, 5363, 5928, 6574, 6747, 7068, 7657, 8996, 9672, 9861, 10726, 13148, 13494, 14136, 15314, 16089, 17992, 19722, 21452, 22971, 26296, 26988, 30628, 32178, 39444, 42731, 42904, 45942, 53976, 61256, 64356, 69719, 78888, 85462, 91884, 101897, 128193, 128712, 139438, 170924, 183768, 203794, 209157, 256386, 278876, 305691, 341848, 407588, 418314, 512772, 557752, 611382, 815176, 836628, 1025544, 1222764, 1324661, 1673256, 2445528, 2649322, 3973983, 5298644, 7947966, 10597288, 15895932, 31791864]

約数ペア:

[(1, 31791864), (2, 15895932), (3, 10597288), (4, 7947966), (6, 5298644), (8, 3973983), (12, 2649322), (13, 2445528), (19, 1673256), (24, 1324661), (26, 1222764), (31, 1025544), (38, 836628), (39, 815176), (52, 611382), (57, 557752), (62, 512772), (76, 418314), (78, 407588), (93, 341848), (104, 305691), (114, 278876), (124, 256386), (152, 209157), (156, 203794), (173, 183768), (186, 170924), (228, 139438), (247, 128712), (248, 128193), (312, 101897), (346, 91884), (372, 85462), (403, 78888), (456, 69719), (494, 64356), (519, 61256), (589, 53976), (692, 45942), (741, 42904), (744, 42731), (806, 39444), (988, 32178), (1038, 30628), (1178, 26988), (1209, 26296), (1384, 22971), (1482, 21452), (1612, 19722), (1767, 17992), (1976, 16089), (2076, 15314), (2249, 14136), (2356, 13494), (2418, 13148), (2964, 10726), (3224, 9861), (3287, 9672), (3534, 8996), (4152, 7657), (4498, 7068), (4712, 6747), (4836, 6574), (5363, 5928)]