249713532

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{647}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 645345792

約数和(自身を除く): 395632260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 151, 213, 284, 302, 426, 453, 604, 639, 647, 852, 906, 1278, 1294, 1359, 1812, 1941, 2556, 2588, 2718, 3882, 5436, 5823, 7764, 10721, 11646, 21442, 23292, 32163, 42884, 45937, 64326, 91874, 96489, 97697, 128652, 137811, 183748, 192978, 195394, 275622, 293091, 385956, 390788, 413433, 551244, 586182, 826866, 879273, 1172364, 1653732, 1758546, 3517092, 6936487, 13872974, 20809461, 27745948, 41618922, 62428383, 83237844, 124856766, 249713532]

約数ペア:

[(1, 249713532), (2, 124856766), (3, 83237844), (4, 62428383), (6, 41618922), (9, 27745948), (12, 20809461), (18, 13872974), (36, 6936487), (71, 3517092), (142, 1758546), (151, 1653732), (213, 1172364), (284, 879273), (302, 826866), (426, 586182), (453, 551244), (604, 413433), (639, 390788), (647, 385956), (852, 293091), (906, 275622), (1278, 195394), (1294, 192978), (1359, 183748), (1812, 137811), (1941, 128652), (2556, 97697), (2588, 96489), (2718, 91874), (3882, 64326), (5436, 45937), (5823, 42884), (7764, 32163), (10721, 23292), (11646, 21442)]