31781088

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{677}}^1$

素因数の和:856

約数の個数: 72

約数和(自身を含む): 91066248

約数和(自身を除く): 59285160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 489, 652, 677, 978, 1304, 1354, 1467, 1956, 2031, 2608, 2708, 2934, 3912, 4062, 5216, 5416, 5868, 6093, 7824, 8124, 10832, 11736, 12186, 15648, 16248, 21664, 23472, 24372, 32496, 46944, 48744, 64992, 97488, 110351, 194976, 220702, 331053, 441404, 662106, 882808, 993159, 1324212, 1765616, 1986318, 2648424, 3531232, 3972636, 5296848, 7945272, 10593696, 15890544, 31781088]

約数ペア:

[(1, 31781088), (2, 15890544), (3, 10593696), (4, 7945272), (6, 5296848), (8, 3972636), (9, 3531232), (12, 2648424), (16, 1986318), (18, 1765616), (24, 1324212), (32, 993159), (36, 882808), (48, 662106), (72, 441404), (96, 331053), (144, 220702), (163, 194976), (288, 110351), (326, 97488), (489, 64992), (652, 48744), (677, 46944), (978, 32496), (1304, 24372), (1354, 23472), (1467, 21664), (1956, 16248), (2031, 15648), (2608, 12186), (2708, 11736), (2934, 10832), (3912, 8124), (4062, 7824), (5216, 6093), (5416, 5868)]