55728918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 142272000

約数和(自身を除く): 86543082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 379, 389, 758, 778, 1137, 1167, 2274, 2334, 2653, 2723, 3411, 3501, 5306, 5446, 6822, 7002, 7959, 8169, 10233, 10503, 15918, 16338, 20466, 21006, 23877, 24507, 47754, 49014, 71631, 73521, 143262, 147042, 147431, 294862, 442293, 884586, 1032017, 1326879, 2064034, 2653758, 3096051, 3980637, 6192102, 7961274, 9288153, 18576306, 27864459, 55728918]

約数ペア:

[(1, 55728918), (2, 27864459), (3, 18576306), (6, 9288153), (7, 7961274), (9, 6192102), (14, 3980637), (18, 3096051), (21, 2653758), (27, 2064034), (42, 1326879), (54, 1032017), (63, 884586), (126, 442293), (189, 294862), (378, 147431), (379, 147042), (389, 143262), (758, 73521), (778, 71631), (1137, 49014), (1167, 47754), (2274, 24507), (2334, 23877), (2653, 21006), (2723, 20466), (3411, 16338), (3501, 15918), (5306, 10503), (5446, 10233), (6822, 8169), (7002, 7959)]