90311788

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3203}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 193777920

約数和(自身を除く): 103466132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 53, 76, 106, 133, 212, 266, 371, 532, 742, 1007, 1484, 2014, 3203, 4028, 6406, 7049, 12812, 14098, 22421, 28196, 44842, 60857, 89684, 121714, 169759, 243428, 339518, 425999, 679036, 851998, 1188313, 1703996, 2376626, 3225421, 4753252, 6450842, 12901684, 22577947, 45155894, 90311788]

約数ペア:

[(1, 90311788), (2, 45155894), (4, 22577947), (7, 12901684), (14, 6450842), (19, 4753252), (28, 3225421), (38, 2376626), (53, 1703996), (76, 1188313), (106, 851998), (133, 679036), (212, 425999), (266, 339518), (371, 243428), (532, 169759), (742, 121714), (1007, 89684), (1484, 60857), (2014, 44842), (3203, 28196), (4028, 22421), (6406, 14098), (7049, 12812)]