320171992

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{21739}}^1$

素因数の和:22015

約数の個数: 32

約数和(自身を含む): 688723200

約数和(自身を除く): 368551208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1841, 2104, 3682, 7364, 14728, 21739, 43478, 86956, 152173, 173912, 304346, 608692, 1217384, 5717357, 11434714, 22869428, 40021499, 45738856, 80042998, 160085996, 320171992]

約数ペア:

[(1, 320171992), (2, 160085996), (4, 80042998), (7, 45738856), (8, 40021499), (14, 22869428), (28, 11434714), (56, 5717357), (263, 1217384), (526, 608692), (1052, 304346), (1841, 173912), (2104, 152173), (3682, 86956), (7364, 43478), (14728, 21739)]