64913128

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21871}}^1$

素因数の和:21937

約数の個数: 32

約数和(自身を含む): 141730560

約数和(自身を除く): 76817432

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 21871, 43742, 87484, 153097, 174968, 306194, 612388, 1159163, 1224776, 2318326, 4636652, 8114141, 9273304, 16228282, 32456564, 64913128]

約数ペア:

[(1, 64913128), (2, 32456564), (4, 16228282), (7, 9273304), (8, 8114141), (14, 4636652), (28, 2318326), (53, 1224776), (56, 1159163), (106, 612388), (212, 306194), (371, 174968), (424, 153097), (742, 87484), (1484, 43742), (2968, 21871)]