172471910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42797}}^1$

素因数の和:42848

約数の個数: 32

約数和(自身を含む): 345123072

約数和(自身を除く): 172651162

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 42797, 85594, 213985, 427970, 556361, 1112722, 1326707, 2653414, 2781805, 5563610, 6633535, 13267070, 17247191, 34494382, 86235955, 172471910]

約数ペア:

[(1, 172471910), (2, 86235955), (5, 34494382), (10, 17247191), (13, 13267070), (26, 6633535), (31, 5563610), (62, 2781805), (65, 2653414), (130, 1326707), (155, 1112722), (310, 556361), (403, 427970), (806, 213985), (2015, 85594), (4030, 42797)]