16617172

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 36495200

約数和(自身を除く): 19878028

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 121, 139, 143, 209, 242, 247, 278, 286, 418, 484, 494, 556, 572, 836, 988, 1529, 1573, 1807, 2299, 2641, 2717, 3058, 3146, 3614, 4598, 5282, 5434, 6116, 6292, 7228, 9196, 10564, 10868, 16819, 19877, 29051, 29887, 33638, 34333, 39754, 58102, 59774, 67276, 68666, 79508, 116204, 119548, 137332, 218647, 319561, 377663, 437294, 639122, 755326, 874588, 1278244, 1510652, 4154293, 8308586, 16617172]

約数ペア:

[(1, 16617172), (2, 8308586), (4, 4154293), (11, 1510652), (13, 1278244), (19, 874588), (22, 755326), (26, 639122), (38, 437294), (44, 377663), (52, 319561), (76, 218647), (121, 137332), (139, 119548), (143, 116204), (209, 79508), (242, 68666), (247, 67276), (278, 59774), (286, 58102), (418, 39754), (484, 34333), (494, 33638), (556, 29887), (572, 29051), (836, 19877), (988, 16819), (1529, 10868), (1573, 10564), (1807, 9196), (2299, 7228), (2641, 6292), (2717, 6116), (3058, 5434), (3146, 5282), (3614, 4598)]