251011696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 554964480

約数和(自身を除く): 303952784

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 71, 92, 104, 142, 184, 208, 284, 299, 368, 568, 598, 739, 923, 1136, 1196, 1478, 1633, 1846, 2392, 2956, 3266, 3692, 4784, 5912, 6532, 7384, 9607, 11824, 13064, 14768, 16997, 19214, 21229, 26128, 33994, 38428, 42458, 52469, 67988, 76856, 84916, 104938, 135976, 153712, 169832, 209876, 220961, 271952, 339664, 419752, 441922, 682097, 839504, 883844, 1206787, 1364194, 1767688, 2413574, 2728388, 3535376, 4827148, 5456776, 9654296, 10913552, 15688231, 19308592, 31376462, 62752924, 125505848, 251011696]

約数ペア:

[(1, 251011696), (2, 125505848), (4, 62752924), (8, 31376462), (13, 19308592), (16, 15688231), (23, 10913552), (26, 9654296), (46, 5456776), (52, 4827148), (71, 3535376), (92, 2728388), (104, 2413574), (142, 1767688), (184, 1364194), (208, 1206787), (284, 883844), (299, 839504), (368, 682097), (568, 441922), (598, 419752), (739, 339664), (923, 271952), (1136, 220961), (1196, 209876), (1478, 169832), (1633, 153712), (1846, 135976), (2392, 104938), (2956, 84916), (3266, 76856), (3692, 67988), (4784, 52469), (5912, 42458), (6532, 38428), (7384, 33994), (9607, 26128), (11824, 21229), (13064, 19214), (14768, 16997)]