261825786

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{613}}^1$

素因数の和:1071

約数の個数: 48

約数和(自身を含む): 579014280

約数和(自身を除く): 317188494

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 389, 549, 613, 778, 1098, 1167, 1226, 1839, 2334, 3501, 3678, 5517, 7002, 11034, 23729, 37393, 47458, 71187, 74786, 112179, 142374, 213561, 224358, 238457, 336537, 427122, 476914, 673074, 715371, 1430742, 2146113, 4292226, 14545877, 29091754, 43637631, 87275262, 130912893, 261825786]

約数ペア:

[(1, 261825786), (2, 130912893), (3, 87275262), (6, 43637631), (9, 29091754), (18, 14545877), (61, 4292226), (122, 2146113), (183, 1430742), (366, 715371), (389, 673074), (549, 476914), (613, 427122), (778, 336537), (1098, 238457), (1167, 224358), (1226, 213561), (1839, 142374), (2334, 112179), (3501, 74786), (3678, 71187), (5517, 47458), (7002, 37393), (11034, 23729)]