16878532

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 36

約数和(自身を含む): 33262768

約数和(自身を除く): 16384236

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 811, 946, 1622, 1892, 3244, 5203, 8921, 10406, 17842, 20812, 34873, 35684, 69746, 98131, 139492, 196262, 383603, 392524, 767206, 1534412, 4219633, 8439266, 16878532]

約数ペア:

[(1, 16878532), (2, 8439266), (4, 4219633), (11, 1534412), (22, 767206), (43, 392524), (44, 383603), (86, 196262), (121, 139492), (172, 98131), (242, 69746), (473, 35684), (484, 34873), (811, 20812), (946, 17842), (1622, 10406), (1892, 8921), (3244, 5203)]