71223152

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4447}}^1$

素因数の和:4486

約数の個数: 80

約数和(自身を含む): 185321472

約数和(自身を除く): 114098320

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 4447, 8008, 8894, 16016, 17788, 31129, 35576, 48917, 57811, 62258, 71152, 97834, 115622, 124516, 195668, 231244, 249032, 342419, 391336, 404677, 462488, 498064, 635921, 684838, 782672, 809354, 924976, 1271842, 1369676, 1618708, 2543684, 2739352, 3237416, 4451447, 5087368, 5478704, 6474832, 8902894, 10174736, 17805788, 35611576, 71223152]

約数ペア:

[(1, 71223152), (2, 35611576), (4, 17805788), (7, 10174736), (8, 8902894), (11, 6474832), (13, 5478704), (14, 5087368), (16, 4451447), (22, 3237416), (26, 2739352), (28, 2543684), (44, 1618708), (52, 1369676), (56, 1271842), (77, 924976), (88, 809354), (91, 782672), (104, 684838), (112, 635921), (143, 498064), (154, 462488), (176, 404677), (182, 391336), (208, 342419), (286, 249032), (308, 231244), (364, 195668), (572, 124516), (616, 115622), (728, 97834), (1001, 71152), (1144, 62258), (1232, 57811), (1456, 48917), (2002, 35576), (2288, 31129), (4004, 17788), (4447, 16016), (8008, 8894)]