396996886

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 72

約数和(自身を含む): 751783032

約数和(自身を除く): 354786146

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 121, 143, 169, 187, 221, 242, 286, 338, 374, 442, 571, 1142, 1573, 1859, 2057, 2431, 2873, 3146, 3718, 4114, 4862, 5746, 6281, 7423, 9707, 12562, 14846, 19414, 20449, 26741, 31603, 40898, 53482, 63206, 69091, 81653, 96499, 106777, 126191, 138182, 163306, 192998, 213554, 252382, 347633, 695266, 898183, 1061489, 1174547, 1388101, 1640483, 1796366, 2122978, 2349094, 2776202, 3280966, 11676379, 15269111, 18045313, 23352758, 30538222, 36090626, 198498443, 396996886]

約数ペア:

[(1, 396996886), (2, 198498443), (11, 36090626), (13, 30538222), (17, 23352758), (22, 18045313), (26, 15269111), (34, 11676379), (121, 3280966), (143, 2776202), (169, 2349094), (187, 2122978), (221, 1796366), (242, 1640483), (286, 1388101), (338, 1174547), (374, 1061489), (442, 898183), (571, 695266), (1142, 347633), (1573, 252382), (1859, 213554), (2057, 192998), (2431, 163306), (2873, 138182), (3146, 126191), (3718, 106777), (4114, 96499), (4862, 81653), (5746, 69091), (6281, 63206), (7423, 53482), (9707, 40898), (12562, 31603), (14846, 26741), (19414, 20449)]