178798256

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 120

約数和(自身を含む): 443502864

約数和(自身を除く): 264704608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 53, 56, 91, 98, 104, 106, 112, 182, 196, 208, 212, 331, 364, 371, 392, 424, 637, 662, 689, 728, 742, 784, 848, 1274, 1324, 1378, 1456, 1484, 2317, 2548, 2597, 2648, 2756, 2968, 4303, 4634, 4823, 5096, 5194, 5296, 5512, 5936, 8606, 9268, 9646, 10192, 10388, 11024, 16219, 17212, 17543, 18536, 19292, 20776, 30121, 32438, 33761, 34424, 35086, 37072, 38584, 41552, 60242, 64876, 67522, 68848, 70172, 77168, 120484, 122801, 129752, 135044, 140344, 210847, 228059, 240968, 245602, 259504, 270088, 280688, 421694, 456118, 481936, 491204, 540176, 843388, 859607, 912236, 982408, 1596413, 1686776, 1719214, 1824472, 1964816, 3192826, 3373552, 3438428, 3648944, 6385652, 6876856, 11174891, 12771304, 13753712, 22349782, 25542608, 44699564, 89399128, 178798256]

約数ペア:

[(1, 178798256), (2, 89399128), (4, 44699564), (7, 25542608), (8, 22349782), (13, 13753712), (14, 12771304), (16, 11174891), (26, 6876856), (28, 6385652), (49, 3648944), (52, 3438428), (53, 3373552), (56, 3192826), (91, 1964816), (98, 1824472), (104, 1719214), (106, 1686776), (112, 1596413), (182, 982408), (196, 912236), (208, 859607), (212, 843388), (331, 540176), (364, 491204), (371, 481936), (392, 456118), (424, 421694), (637, 280688), (662, 270088), (689, 259504), (728, 245602), (742, 240968), (784, 228059), (848, 210847), (1274, 140344), (1324, 135044), (1378, 129752), (1456, 122801), (1484, 120484), (2317, 77168), (2548, 70172), (2597, 68848), (2648, 67522), (2756, 64876), (2968, 60242), (4303, 41552), (4634, 38584), (4823, 37072), (5096, 35086), (5194, 34424), (5296, 33761), (5512, 32438), (5936, 30121), (8606, 20776), (9268, 19292), (9646, 18536), (10192, 17543), (10388, 17212), (11024, 16219)]