128181376

素因数分解:

$2^7\times {\mathrm{229}}^1\times {\mathrm{4373}}^1$

素因数の和:4616

約数の個数: 32

約数和(自身を含む): 256535100

約数和(自身を除く): 128353724

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 229, 458, 916, 1832, 3664, 4373, 7328, 8746, 14656, 17492, 29312, 34984, 69968, 139936, 279872, 559744, 1001417, 2002834, 4005668, 8011336, 16022672, 32045344, 64090688, 128181376]

約数ペア:

[(1, 128181376), (2, 64090688), (4, 32045344), (8, 16022672), (16, 8011336), (32, 4005668), (64, 2002834), (128, 1001417), (229, 559744), (458, 279872), (916, 139936), (1832, 69968), (3664, 34984), (4373, 29312), (7328, 17492), (8746, 14656)]