978238415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 1558448640

約数和(自身を除く): 580210225

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 83, 115, 121, 161, 253, 385, 415, 581, 605, 805, 847, 913, 1265, 1331, 1771, 1909, 2783, 2905, 4235, 4565, 6391, 6655, 8855, 9317, 9545, 10043, 13363, 13915, 14641, 19481, 20999, 30613, 31955, 46585, 50215, 66815, 70301, 73205, 97405, 102487, 104995, 110473, 146993, 153065, 214291, 230989, 336743, 351505, 512435, 552365, 734965, 773311, 1071455, 1154945, 1215203, 1616923, 1683715, 2357201, 2540879, 3866555, 6076015, 8084615, 8506421, 11786005, 12704395, 17786153, 27949669, 42532105, 88930765, 139748345, 195647683, 978238415]

約数ペア:

[(1, 978238415), (5, 195647683), (7, 139748345), (11, 88930765), (23, 42532105), (35, 27949669), (55, 17786153), (77, 12704395), (83, 11786005), (115, 8506421), (121, 8084615), (161, 6076015), (253, 3866555), (385, 2540879), (415, 2357201), (581, 1683715), (605, 1616923), (805, 1215203), (847, 1154945), (913, 1071455), (1265, 773311), (1331, 734965), (1771, 552365), (1909, 512435), (2783, 351505), (2905, 336743), (4235, 230989), (4565, 214291), (6391, 153065), (6655, 146993), (8855, 110473), (9317, 104995), (9545, 102487), (10043, 97405), (13363, 73205), (13915, 70301), (14641, 66815), (19481, 50215), (20999, 46585), (30613, 31955)]