29987188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 67568256

約数和(自身を除く): 37581068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 121, 154, 167, 212, 242, 308, 334, 371, 484, 583, 668, 742, 847, 1166, 1169, 1484, 1694, 1837, 2332, 2338, 3388, 3674, 4081, 4676, 6413, 7348, 8162, 8851, 12826, 12859, 16324, 17702, 20207, 25652, 25718, 35404, 40414, 44891, 51436, 61957, 80828, 89782, 97361, 123914, 141449, 179564, 194722, 247828, 282898, 389444, 565796, 681527, 1070971, 1363054, 2141942, 2726108, 4283884, 7496797, 14993594, 29987188]

約数ペア:

[(1, 29987188), (2, 14993594), (4, 7496797), (7, 4283884), (11, 2726108), (14, 2141942), (22, 1363054), (28, 1070971), (44, 681527), (53, 565796), (77, 389444), (106, 282898), (121, 247828), (154, 194722), (167, 179564), (212, 141449), (242, 123914), (308, 97361), (334, 89782), (371, 80828), (484, 61957), (583, 51436), (668, 44891), (742, 40414), (847, 35404), (1166, 25718), (1169, 25652), (1484, 20207), (1694, 17702), (1837, 16324), (2332, 12859), (2338, 12826), (3388, 8851), (3674, 8162), (4081, 7348), (4676, 6413)]