15691231318

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{2441}}^1$

素因数の和:2773

約数の個数: 64

約数和(自身を含む): 28356894720

約数和(自身を除く): 12665663402

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 223, 406, 446, 497, 994, 1561, 2059, 2441, 3122, 4118, 4882, 6467, 12934, 14413, 15833, 17087, 28826, 31666, 34174, 45269, 70789, 90538, 110831, 141578, 173311, 221662, 346622, 459157, 495523, 544343, 918314, 991046, 1088686, 1213177, 2426354, 3214099, 3810401, 5026019, 6428198, 7620802, 10052038, 15785947, 31571894, 35182133, 38648353, 70364266, 77296706, 110501629, 221003258, 270538471, 541076942, 1120802237, 2241604474, 7845615659, 15691231318]

約数ペア:

[(1, 15691231318), (2, 7845615659), (7, 2241604474), (14, 1120802237), (29, 541076942), (58, 270538471), (71, 221003258), (142, 110501629), (203, 77296706), (223, 70364266), (406, 38648353), (446, 35182133), (497, 31571894), (994, 15785947), (1561, 10052038), (2059, 7620802), (2441, 6428198), (3122, 5026019), (4118, 3810401), (4882, 3214099), (6467, 2426354), (12934, 1213177), (14413, 1088686), (15833, 991046), (17087, 918314), (28826, 544343), (31666, 495523), (34174, 459157), (45269, 346622), (70789, 221662), (90538, 173311), (110831, 141578)]