28918808

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 55536960

約数和(自身を除く): 26618152

約数列:

[1, 2, 4, 8, 67, 134, 163, 268, 326, 331, 536, 652, 662, 1304, 1324, 2648, 10921, 21842, 22177, 43684, 44354, 53953, 87368, 88708, 107906, 177416, 215812, 431624, 3614851, 7229702, 14459404, 28918808]

約数ペア:

[(1, 28918808), (2, 14459404), (4, 7229702), (8, 3614851), (67, 431624), (134, 215812), (163, 177416), (268, 107906), (326, 88708), (331, 87368), (536, 53953), (652, 44354), (662, 43684), (1304, 22177), (1324, 21842), (2648, 10921)]