291275556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1187}}^1$

素因数の和:1242

約数の個数: 108

約数和(自身を含む): 809612496

約数和(自身を除く): 518336940

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 169, 242, 286, 338, 363, 429, 484, 507, 572, 676, 726, 858, 1014, 1187, 1452, 1573, 1716, 1859, 2028, 2374, 3146, 3561, 3718, 4719, 4748, 5577, 6292, 7122, 7436, 9438, 11154, 13057, 14244, 15431, 18876, 20449, 22308, 26114, 30862, 39171, 40898, 46293, 52228, 61347, 61724, 78342, 81796, 92586, 122694, 143627, 156684, 169741, 185172, 200603, 245388, 287254, 339482, 401206, 430881, 509223, 574508, 601809, 678964, 802412, 861762, 1018446, 1203618, 1723524, 1867151, 2036892, 2206633, 2407236, 3734302, 4413266, 5601453, 6619899, 7468604, 8826532, 11202906, 13239798, 22405812, 24272963, 26479596, 48545926, 72818889, 97091852, 145637778, 291275556]

約数ペア:

[(1, 291275556), (2, 145637778), (3, 97091852), (4, 72818889), (6, 48545926), (11, 26479596), (12, 24272963), (13, 22405812), (22, 13239798), (26, 11202906), (33, 8826532), (39, 7468604), (44, 6619899), (52, 5601453), (66, 4413266), (78, 3734302), (121, 2407236), (132, 2206633), (143, 2036892), (156, 1867151), (169, 1723524), (242, 1203618), (286, 1018446), (338, 861762), (363, 802412), (429, 678964), (484, 601809), (507, 574508), (572, 509223), (676, 430881), (726, 401206), (858, 339482), (1014, 287254), (1187, 245388), (1452, 200603), (1573, 185172), (1716, 169741), (1859, 156684), (2028, 143627), (2374, 122694), (3146, 92586), (3561, 81796), (3718, 78342), (4719, 61724), (4748, 61347), (5577, 52228), (6292, 46293), (7122, 40898), (7436, 39171), (9438, 30862), (11154, 26114), (13057, 22308), (14244, 20449), (15431, 18876)]