81334715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 132295680

約数和(自身を除く): 50960965

約数列:

[1, 5, 7, 11, 17, 35, 43, 55, 77, 85, 119, 187, 215, 289, 301, 385, 473, 595, 731, 935, 1309, 1445, 1505, 2023, 2365, 3179, 3311, 3655, 4913, 5117, 6545, 8041, 10115, 12427, 15895, 16555, 22253, 24565, 25585, 34391, 40205, 54043, 56287, 62135, 86989, 111265, 136697, 171955, 211259, 270215, 281435, 378301, 434945, 683485, 956879, 1056295, 1478813, 1891505, 2323849, 4784395, 7394065, 11619245, 16266943, 81334715]

約数ペア:

[(1, 81334715), (5, 16266943), (7, 11619245), (11, 7394065), (17, 4784395), (35, 2323849), (43, 1891505), (55, 1478813), (77, 1056295), (85, 956879), (119, 683485), (187, 434945), (215, 378301), (289, 281435), (301, 270215), (385, 211259), (473, 171955), (595, 136697), (731, 111265), (935, 86989), (1309, 62135), (1445, 56287), (1505, 54043), (2023, 40205), (2365, 34391), (3179, 25585), (3311, 24565), (3655, 22253), (4913, 16555), (5117, 15895), (6545, 12427), (8041, 10115)]