381815982

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:990

約数の個数: 72

約数和(自身を含む): 887141736

約数和(自身を除く): 505325754

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 67, 114, 134, 171, 201, 342, 361, 402, 603, 722, 877, 1083, 1206, 1273, 1754, 2166, 2546, 2631, 3249, 3819, 5262, 6498, 7638, 7893, 11457, 15786, 16663, 22914, 24187, 33326, 48374, 49989, 58759, 72561, 99978, 117518, 145122, 149967, 176277, 217683, 299934, 316597, 352554, 435366, 528831, 633194, 949791, 1057662, 1116421, 1899582, 2232842, 2849373, 3349263, 5698746, 6698526, 10047789, 20095578, 21211999, 42423998, 63635997, 127271994, 190907991, 381815982]

約数ペア:

[(1, 381815982), (2, 190907991), (3, 127271994), (6, 63635997), (9, 42423998), (18, 21211999), (19, 20095578), (38, 10047789), (57, 6698526), (67, 5698746), (114, 3349263), (134, 2849373), (171, 2232842), (201, 1899582), (342, 1116421), (361, 1057662), (402, 949791), (603, 633194), (722, 528831), (877, 435366), (1083, 352554), (1206, 316597), (1273, 299934), (1754, 217683), (2166, 176277), (2546, 149967), (2631, 145122), (3249, 117518), (3819, 99978), (5262, 72561), (6498, 58759), (7638, 49989), (7893, 48374), (11457, 33326), (15786, 24187), (16663, 22914)]