27948257855

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{1697}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 40624201728

約数和(自身を除く): 12675943873

約数列:

[1, 5, 7, 31, 35, 43, 155, 215, 217, 301, 353, 1085, 1333, 1505, 1697, 1765, 2471, 6665, 8485, 9331, 10943, 11879, 12355, 15179, 46655, 52607, 54715, 59395, 72971, 75895, 76601, 106253, 263035, 364855, 368249, 383005, 470549, 510797, 531265, 599041, 1841245, 2262101, 2352745, 2553985, 2995205, 3293843, 4193287, 11310505, 15834707, 16469215, 18570271, 20966435, 25758763, 79173535, 92851355, 128793815, 129991897, 180311341, 649959485, 798521653, 901556705, 3992608265, 5589651571, 27948257855]

約数ペア:

[(1, 27948257855), (5, 5589651571), (7, 3992608265), (31, 901556705), (35, 798521653), (43, 649959485), (155, 180311341), (215, 129991897), (217, 128793815), (301, 92851355), (353, 79173535), (1085, 25758763), (1333, 20966435), (1505, 18570271), (1697, 16469215), (1765, 15834707), (2471, 11310505), (6665, 4193287), (8485, 3293843), (9331, 2995205), (10943, 2553985), (11879, 2352745), (12355, 2262101), (15179, 1841245), (46655, 599041), (52607, 531265), (54715, 510797), (59395, 470549), (72971, 383005), (75895, 368249), (76601, 364855), (106253, 263035)]