257398236

素因数分解:

$2^2\times 3^6\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:982

約数の個数: 84

約数和(自身を含む): 682714032

約数和(自身を除く): 425315796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 103, 108, 162, 206, 243, 309, 324, 412, 486, 618, 729, 857, 927, 972, 1236, 1458, 1714, 1854, 2571, 2781, 2916, 3428, 3708, 5142, 5562, 7713, 8343, 10284, 11124, 15426, 16686, 23139, 25029, 30852, 33372, 46278, 50058, 69417, 75087, 88271, 92556, 100116, 138834, 150174, 176542, 208251, 264813, 277668, 300348, 353084, 416502, 529626, 624753, 794439, 833004, 1059252, 1249506, 1588878, 2383317, 2499012, 3177756, 4766634, 7149951, 9533268, 14299902, 21449853, 28599804, 42899706, 64349559, 85799412, 128699118, 257398236]

約数ペア:

[(1, 257398236), (2, 128699118), (3, 85799412), (4, 64349559), (6, 42899706), (9, 28599804), (12, 21449853), (18, 14299902), (27, 9533268), (36, 7149951), (54, 4766634), (81, 3177756), (103, 2499012), (108, 2383317), (162, 1588878), (206, 1249506), (243, 1059252), (309, 833004), (324, 794439), (412, 624753), (486, 529626), (618, 416502), (729, 353084), (857, 300348), (927, 277668), (972, 264813), (1236, 208251), (1458, 176542), (1714, 150174), (1854, 138834), (2571, 100116), (2781, 92556), (2916, 88271), (3428, 75087), (3708, 69417), (5142, 50058), (5562, 46278), (7713, 33372), (8343, 30852), (10284, 25029), (11124, 23139), (15426, 16686)]