383838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 64

約数和(自身を含む): 1021440

約数和(自身を除く): 637602

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 37, 38, 39, 42, 57, 74, 78, 91, 111, 114, 133, 182, 222, 247, 259, 266, 273, 399, 481, 494, 518, 546, 703, 741, 777, 798, 962, 1406, 1443, 1482, 1554, 1729, 2109, 2886, 3367, 3458, 4218, 4921, 5187, 6734, 9139, 9842, 10101, 10374, 14763, 18278, 20202, 27417, 29526, 54834, 63973, 127946, 191919, 383838]

約数ペア:

[(1, 383838), (2, 191919), (3, 127946), (6, 63973), (7, 54834), (13, 29526), (14, 27417), (19, 20202), (21, 18278), (26, 14763), (37, 10374), (38, 10101), (39, 9842), (42, 9139), (57, 6734), (74, 5187), (78, 4921), (91, 4218), (111, 3458), (114, 3367), (133, 2886), (182, 2109), (222, 1729), (247, 1554), (259, 1482), (266, 1443), (273, 1406), (399, 962), (481, 798), (494, 777), (518, 741), (546, 703)]