259759864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 643507200

約数和(自身を除く): 383747336

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 139, 151, 182, 221, 238, 278, 302, 364, 442, 476, 556, 604, 728, 884, 952, 973, 1057, 1112, 1208, 1547, 1768, 1807, 1946, 1963, 2114, 2363, 2567, 3094, 3614, 3892, 3926, 4228, 4726, 5134, 6188, 7228, 7784, 7852, 8456, 9452, 10268, 12376, 12649, 13741, 14456, 15704, 16541, 17969, 18904, 20536, 20989, 25298, 27482, 30719, 33082, 33371, 35938, 41978, 50596, 54964, 61438, 66164, 66742, 71876, 83956, 101192, 109928, 122876, 132328, 133484, 143752, 146923, 167912, 215033, 233597, 245752, 266968, 272857, 293846, 356813, 430066, 467194, 545714, 587692, 713626, 860132, 934388, 1091428, 1175384, 1427252, 1720264, 1868776, 1909999, 2182856, 2497691, 2854504, 3819998, 4638569, 4995382, 7639996, 9277138, 9990764, 15279992, 18554276, 19981528, 32469983, 37108552, 64939966, 129879932, 259759864]

約数ペア:

[(1, 259759864), (2, 129879932), (4, 64939966), (7, 37108552), (8, 32469983), (13, 19981528), (14, 18554276), (17, 15279992), (26, 9990764), (28, 9277138), (34, 7639996), (52, 4995382), (56, 4638569), (68, 3819998), (91, 2854504), (104, 2497691), (119, 2182856), (136, 1909999), (139, 1868776), (151, 1720264), (182, 1427252), (221, 1175384), (238, 1091428), (278, 934388), (302, 860132), (364, 713626), (442, 587692), (476, 545714), (556, 467194), (604, 430066), (728, 356813), (884, 293846), (952, 272857), (973, 266968), (1057, 245752), (1112, 233597), (1208, 215033), (1547, 167912), (1768, 146923), (1807, 143752), (1946, 133484), (1963, 132328), (2114, 122876), (2363, 109928), (2567, 101192), (3094, 83956), (3614, 71876), (3892, 66742), (3926, 66164), (4228, 61438), (4726, 54964), (5134, 50596), (6188, 41978), (7228, 35938), (7784, 33371), (7852, 33082), (8456, 30719), (9452, 27482), (10268, 25298), (12376, 20989), (12649, 20536), (13741, 18904), (14456, 17969), (15704, 16541)]