2019256135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 2822916096

約数和(自身を除く): 803659961

約数列:

[1, 5, 13, 23, 43, 65, 101, 115, 215, 299, 311, 505, 559, 989, 1313, 1495, 1555, 2323, 2795, 4043, 4343, 4945, 6565, 7153, 11615, 12857, 13373, 20215, 21715, 30199, 31411, 35765, 56459, 64285, 66865, 92989, 99889, 150995, 157055, 173849, 282295, 307579, 408343, 464945, 499445, 722453, 869245, 1298557, 1350673, 1537895, 2041715, 3612265, 3998527, 6492785, 6753365, 9391889, 17558749, 19992635, 31065479, 46959445, 87793745, 155327395, 403851227, 2019256135]

約数ペア:

[(1, 2019256135), (5, 403851227), (13, 155327395), (23, 87793745), (43, 46959445), (65, 31065479), (101, 19992635), (115, 17558749), (215, 9391889), (299, 6753365), (311, 6492785), (505, 3998527), (559, 3612265), (989, 2041715), (1313, 1537895), (1495, 1350673), (1555, 1298557), (2323, 869245), (2795, 722453), (4043, 499445), (4343, 464945), (4945, 408343), (6565, 307579), (7153, 282295), (11615, 173849), (12857, 157055), (13373, 150995), (20215, 99889), (21715, 92989), (30199, 66865), (31411, 64285), (35765, 56459)]