209968642

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 364711680

約数和(自身を除く): 154743038

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 169, 338, 377, 403, 691, 754, 806, 899, 1382, 1798, 4901, 5239, 8983, 9802, 10478, 11687, 17966, 20039, 21421, 23374, 40078, 42842, 116779, 151931, 233558, 260507, 278473, 303862, 521014, 556946, 621209, 1242418, 3386591, 3620149, 6773182, 7240298, 8075717, 16151434, 104984321, 209968642]

約数ペア:

[(1, 209968642), (2, 104984321), (13, 16151434), (26, 8075717), (29, 7240298), (31, 6773182), (58, 3620149), (62, 3386591), (169, 1242418), (338, 621209), (377, 556946), (403, 521014), (691, 303862), (754, 278473), (806, 260507), (899, 233558), (1382, 151931), (1798, 116779), (4901, 42842), (5239, 40078), (8983, 23374), (9802, 21421), (10478, 20039), (11687, 17966)]