281420384

素因数分解:

$2^5\times 7^1\times {\mathrm{167}}^1\times {\mathrm{7523}}^1$

素因数の和:7707

約数の個数: 48

約数和(自身を含む): 637072128

約数和(自身を除く): 355651744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 167, 224, 334, 668, 1169, 1336, 2338, 2672, 4676, 5344, 7523, 9352, 15046, 18704, 30092, 37408, 52661, 60184, 105322, 120368, 210644, 240736, 421288, 842576, 1256341, 1685152, 2512682, 5025364, 8794387, 10050728, 17588774, 20101456, 35177548, 40202912, 70355096, 140710192, 281420384]

約数ペア:

[(1, 281420384), (2, 140710192), (4, 70355096), (7, 40202912), (8, 35177548), (14, 20101456), (16, 17588774), (28, 10050728), (32, 8794387), (56, 5025364), (112, 2512682), (167, 1685152), (224, 1256341), (334, 842576), (668, 421288), (1169, 240736), (1336, 210644), (2338, 120368), (2672, 105322), (4676, 60184), (5344, 52661), (7523, 37408), (9352, 30092), (15046, 18704)]