64856844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 178003280

約数和(自身を除く): 113146436

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 834, 997, 1251, 1668, 1807, 1994, 2502, 2991, 3614, 3988, 5004, 5421, 5982, 7228, 8973, 10842, 11964, 12961, 16263, 17946, 21684, 25922, 32526, 35892, 38883, 51844, 65052, 77766, 116649, 138583, 155532, 233298, 277166, 415749, 466596, 554332, 831498, 1247247, 1662996, 1801579, 2494494, 3603158, 4988988, 5404737, 7206316, 10809474, 16214211, 21618948, 32428422, 64856844]

約数ペア:

[(1, 64856844), (2, 32428422), (3, 21618948), (4, 16214211), (6, 10809474), (9, 7206316), (12, 5404737), (13, 4988988), (18, 3603158), (26, 2494494), (36, 1801579), (39, 1662996), (52, 1247247), (78, 831498), (117, 554332), (139, 466596), (156, 415749), (234, 277166), (278, 233298), (417, 155532), (468, 138583), (556, 116649), (834, 77766), (997, 65052), (1251, 51844), (1668, 38883), (1807, 35892), (1994, 32526), (2502, 25922), (2991, 21684), (3614, 17946), (3988, 16263), (5004, 12961), (5421, 11964), (5982, 10842), (7228, 8973)]