128980124

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 283213728

約数和(自身を除く): 154233604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 169, 182, 194, 281, 338, 364, 388, 562, 676, 679, 1124, 1183, 1261, 1358, 1967, 2366, 2522, 2716, 3653, 3934, 4732, 5044, 7306, 7868, 8827, 14612, 16393, 17654, 25571, 27257, 32786, 35308, 47489, 51142, 54514, 65572, 94978, 102284, 109028, 114751, 189956, 190799, 229502, 332423, 354341, 381598, 459004, 664846, 708682, 763196, 1329692, 1417364, 2480387, 4606433, 4960774, 9212866, 9921548, 18425732, 32245031, 64490062, 128980124]

約数ペア:

[(1, 128980124), (2, 64490062), (4, 32245031), (7, 18425732), (13, 9921548), (14, 9212866), (26, 4960774), (28, 4606433), (52, 2480387), (91, 1417364), (97, 1329692), (169, 763196), (182, 708682), (194, 664846), (281, 459004), (338, 381598), (364, 354341), (388, 332423), (562, 229502), (676, 190799), (679, 189956), (1124, 114751), (1183, 109028), (1261, 102284), (1358, 94978), (1967, 65572), (2366, 54514), (2522, 51142), (2716, 47489), (3653, 35308), (3934, 32786), (4732, 27257), (5044, 25571), (7306, 17654), (7868, 16393), (8827, 14612)]