268562008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1297}}^1$

素因数の和:1508

約数の個数: 64

約数和(自身を含む): 595314720

約数和(自身を除く): 326752712

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 181, 286, 362, 572, 724, 1144, 1297, 1448, 1991, 2353, 2594, 3982, 4706, 5188, 7964, 9412, 10376, 14267, 15928, 16861, 18824, 25883, 28534, 33722, 51766, 57068, 67444, 103532, 114136, 134888, 185471, 207064, 234757, 370942, 469514, 741884, 939028, 1483768, 1878056, 2582327, 3051841, 5164654, 6103682, 10329308, 12207364, 20658616, 24414728, 33570251, 67140502, 134281004, 268562008]

約数ペア:

[(1, 268562008), (2, 134281004), (4, 67140502), (8, 33570251), (11, 24414728), (13, 20658616), (22, 12207364), (26, 10329308), (44, 6103682), (52, 5164654), (88, 3051841), (104, 2582327), (143, 1878056), (181, 1483768), (286, 939028), (362, 741884), (572, 469514), (724, 370942), (1144, 234757), (1297, 207064), (1448, 185471), (1991, 134888), (2353, 114136), (2594, 103532), (3982, 67444), (4706, 57068), (5188, 51766), (7964, 33722), (9412, 28534), (10376, 25883), (14267, 18824), (15928, 16861)]