78980356

素因数分解:

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

素因数の和:393

約数の個数: 72

約数和(自身を含む): 175176960

約数和(自身を除く): 96196604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 139, 182, 196, 223, 278, 364, 446, 556, 637, 892, 973, 1274, 1561, 1807, 1946, 2548, 2899, 3122, 3614, 3892, 5798, 6244, 6811, 7228, 10927, 11596, 12649, 13622, 20293, 21854, 25298, 27244, 30997, 40586, 43708, 50596, 61994, 81172, 88543, 123988, 142051, 177086, 216979, 284102, 354172, 402961, 433958, 568204, 805922, 867916, 1518853, 1611844, 2820727, 3037706, 5641454, 6075412, 11282908, 19745089, 39490178, 78980356]

約数ペア:

[(1, 78980356), (2, 39490178), (4, 19745089), (7, 11282908), (13, 6075412), (14, 5641454), (26, 3037706), (28, 2820727), (49, 1611844), (52, 1518853), (91, 867916), (98, 805922), (139, 568204), (182, 433958), (196, 402961), (223, 354172), (278, 284102), (364, 216979), (446, 177086), (556, 142051), (637, 123988), (892, 88543), (973, 81172), (1274, 61994), (1561, 50596), (1807, 43708), (1946, 40586), (2548, 30997), (2899, 27244), (3122, 25298), (3614, 21854), (3892, 20293), (5798, 13622), (6244, 12649), (6811, 11596), (7228, 10927)]