28839188

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 32447212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 151, 266, 302, 359, 532, 604, 718, 1057, 1436, 2114, 2513, 2869, 4228, 5026, 5738, 6821, 10052, 11476, 13642, 20083, 27284, 40166, 47747, 54209, 80332, 95494, 108418, 190988, 216836, 379463, 758926, 1029971, 1517852, 2059942, 4119884, 7209797, 14419594, 28839188]

約数ペア:

[(1, 28839188), (2, 14419594), (4, 7209797), (7, 4119884), (14, 2059942), (19, 1517852), (28, 1029971), (38, 758926), (76, 379463), (133, 216836), (151, 190988), (266, 108418), (302, 95494), (359, 80332), (532, 54209), (604, 47747), (718, 40166), (1057, 27284), (1436, 20083), (2114, 13642), (2513, 11476), (2869, 10052), (4228, 6821), (5026, 5738)]