278080384

素因数分解:

$2^7\times {\mathrm{167}}^1\times {\mathrm{13009}}^1$

素因数の和:13190

約数の個数: 32

約数和(自身を含む): 557348400

約数和(自身を除く): 279268016

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167, 334, 668, 1336, 2672, 5344, 10688, 13009, 21376, 26018, 52036, 104072, 208144, 416288, 832576, 1665152, 2172503, 4345006, 8690012, 17380024, 34760048, 69520096, 139040192, 278080384]

約数ペア:

[(1, 278080384), (2, 139040192), (4, 69520096), (8, 34760048), (16, 17380024), (32, 8690012), (64, 4345006), (128, 2172503), (167, 1665152), (334, 832576), (668, 416288), (1336, 208144), (2672, 104072), (5344, 52036), (10688, 26018), (13009, 21376)]