1854126170065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1\times {\mathrm{149159}}^1$

素因数の和:149438

約数の個数: 48

約数和(自身を含む): 2488346784000

約数和(自身を除く): 634220613935

約数列:

[1, 5, 13, 31, 65, 155, 199, 403, 961, 995, 2015, 2587, 4805, 6169, 12493, 12935, 30845, 62465, 80197, 149159, 191239, 400985, 745795, 956195, 1939067, 2486107, 4623929, 9695335, 12430535, 23119645, 29682641, 60111077, 143341799, 148413205, 300555385, 385874333, 716708995, 920161871, 1863443387, 1929371665, 4600809355, 9317216935, 11962104323, 28525018001, 59810521615, 142625090005, 370825234013, 1854126170065]

約数ペア:

[(1, 1854126170065), (5, 370825234013), (13, 142625090005), (31, 59810521615), (65, 28525018001), (155, 11962104323), (199, 9317216935), (403, 4600809355), (961, 1929371665), (995, 1863443387), (2015, 920161871), (2587, 716708995), (4805, 385874333), (6169, 300555385), (12493, 148413205), (12935, 143341799), (30845, 60111077), (62465, 29682641), (80197, 23119645), (149159, 12430535), (191239, 9695335), (400985, 4623929), (745795, 2486107), (956195, 1939067)]