1211767578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{2131}}^1\times {\mathrm{4513}}^1$

素因数の和:6659

約数の個数: 48

約数和(自身を含む): 3002640576

約数和(自身を除く): 1790872998

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 2131, 4262, 4513, 6393, 9026, 12786, 13539, 14917, 19179, 27078, 29834, 31591, 38358, 40617, 44751, 63182, 81234, 89502, 94773, 134253, 189546, 268506, 284319, 568638, 9617203, 19234406, 28851609, 57703218, 67320421, 86554827, 134640842, 173109654, 201961263, 403922526, 605883789, 1211767578]

約数ペア:

[(1, 1211767578), (2, 605883789), (3, 403922526), (6, 201961263), (7, 173109654), (9, 134640842), (14, 86554827), (18, 67320421), (21, 57703218), (42, 28851609), (63, 19234406), (126, 9617203), (2131, 568638), (4262, 284319), (4513, 268506), (6393, 189546), (9026, 134253), (12786, 94773), (13539, 89502), (14917, 81234), (19179, 63182), (27078, 44751), (29834, 40617), (31591, 38358)]