28415816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 63806400

約数和(自身を除く): 35390584

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 59, 88, 104, 118, 143, 236, 286, 421, 472, 572, 649, 767, 842, 1144, 1298, 1534, 1684, 2596, 3068, 3368, 4631, 5192, 5473, 6136, 8437, 9262, 10946, 16874, 18524, 21892, 24839, 33748, 37048, 43784, 49678, 60203, 67496, 99356, 120406, 198712, 240812, 273229, 322907, 481624, 546458, 645814, 1092916, 1291628, 2185832, 2583256, 3551977, 7103954, 14207908, 28415816]

約数ペア:

[(1, 28415816), (2, 14207908), (4, 7103954), (8, 3551977), (11, 2583256), (13, 2185832), (22, 1291628), (26, 1092916), (44, 645814), (52, 546458), (59, 481624), (88, 322907), (104, 273229), (118, 240812), (143, 198712), (236, 120406), (286, 99356), (421, 67496), (472, 60203), (572, 49678), (649, 43784), (767, 37048), (842, 33748), (1144, 24839), (1298, 21892), (1534, 18524), (1684, 16874), (2596, 10946), (3068, 9262), (3368, 8437), (4631, 6136), (5192, 5473)]