291249508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{971}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 590804928

約数和(自身を除く): 299555420

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 401, 748, 802, 971, 1604, 1942, 3884, 4411, 6817, 8822, 10681, 13634, 16507, 17644, 21362, 27268, 33014, 42724, 66028, 74987, 149974, 181577, 299948, 363154, 389371, 726308, 778742, 1557484, 4283081, 6619307, 8566162, 13238614, 17132324, 26477228, 72812377, 145624754, 291249508]

約数ペア:

[(1, 291249508), (2, 145624754), (4, 72812377), (11, 26477228), (17, 17132324), (22, 13238614), (34, 8566162), (44, 6619307), (68, 4283081), (187, 1557484), (374, 778742), (401, 726308), (748, 389371), (802, 363154), (971, 299948), (1604, 181577), (1942, 149974), (3884, 74987), (4411, 66028), (6817, 42724), (8822, 33014), (10681, 27268), (13634, 21362), (16507, 17644)]