8721684

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 23849280

約数和(自身を除く): 15127596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 164, 171, 228, 246, 311, 342, 369, 492, 622, 684, 738, 779, 933, 1244, 1476, 1558, 1866, 2337, 2799, 3116, 3732, 4674, 5598, 5909, 7011, 9348, 11196, 11818, 12751, 14022, 17727, 23636, 25502, 28044, 35454, 38253, 51004, 53181, 70908, 76506, 106362, 114759, 153012, 212724, 229518, 242269, 459036, 484538, 726807, 969076, 1453614, 2180421, 2907228, 4360842, 8721684]

約数ペア:

[(1, 8721684), (2, 4360842), (3, 2907228), (4, 2180421), (6, 1453614), (9, 969076), (12, 726807), (18, 484538), (19, 459036), (36, 242269), (38, 229518), (41, 212724), (57, 153012), (76, 114759), (82, 106362), (114, 76506), (123, 70908), (164, 53181), (171, 51004), (228, 38253), (246, 35454), (311, 28044), (342, 25502), (369, 23636), (492, 17727), (622, 14022), (684, 12751), (738, 11818), (779, 11196), (933, 9348), (1244, 7011), (1476, 5909), (1558, 5598), (1866, 4674), (2337, 3732), (2799, 3116)]