156658145

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 239714640

約数和(自身を除く): 83056495

約数列:

[1, 5, 7, 17, 29, 35, 49, 85, 119, 145, 203, 245, 493, 595, 833, 1015, 1297, 1421, 2465, 3451, 4165, 6485, 7105, 9079, 17255, 22049, 24157, 37613, 45395, 63553, 110245, 120785, 154343, 188065, 263291, 317765, 639421, 771715, 1080401, 1316455, 1843037, 3197105, 4475947, 5402005, 9215185, 22379735, 31331629, 156658145]

約数ペア:

[(1, 156658145), (5, 31331629), (7, 22379735), (17, 9215185), (29, 5402005), (35, 4475947), (49, 3197105), (85, 1843037), (119, 1316455), (145, 1080401), (203, 771715), (245, 639421), (493, 317765), (595, 263291), (833, 188065), (1015, 154343), (1297, 120785), (1421, 110245), (2465, 63553), (3451, 45395), (4165, 37613), (6485, 24157), (7105, 22049), (9079, 17255)]