39490178

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 75075840

約数和(自身を除く): 35585662

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 139, 182, 223, 278, 446, 637, 973, 1274, 1561, 1807, 1946, 2899, 3122, 3614, 5798, 6811, 10927, 12649, 13622, 20293, 21854, 25298, 30997, 40586, 61994, 88543, 142051, 177086, 216979, 284102, 402961, 433958, 805922, 1518853, 2820727, 3037706, 5641454, 19745089, 39490178]

約数ペア:

[(1, 39490178), (2, 19745089), (7, 5641454), (13, 3037706), (14, 2820727), (26, 1518853), (49, 805922), (91, 433958), (98, 402961), (139, 284102), (182, 216979), (223, 177086), (278, 142051), (446, 88543), (637, 61994), (973, 40586), (1274, 30997), (1561, 25298), (1807, 21854), (1946, 20293), (2899, 13622), (3122, 12649), (3614, 10927), (5798, 6811)]