161211372

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:820

約数の個数: 96

約数和(自身を含む): 447552000

約数和(自身を除く): 286340628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 343, 371, 588, 636, 686, 739, 742, 1029, 1113, 1372, 1478, 1484, 2058, 2217, 2226, 2597, 2956, 4116, 4434, 4452, 5173, 5194, 7791, 8868, 10346, 10388, 15519, 15582, 18179, 20692, 31038, 31164, 36211, 36358, 39167, 54537, 62076, 72422, 72716, 78334, 108633, 109074, 117501, 144844, 156668, 217266, 218148, 235002, 253477, 274169, 434532, 470004, 506954, 548338, 760431, 822507, 1013908, 1096676, 1520862, 1645014, 1919183, 3041724, 3290028, 3838366, 5757549, 7676732, 11515098, 13434281, 23030196, 26868562, 40302843, 53737124, 80605686, 161211372]

約数ペア:

[(1, 161211372), (2, 80605686), (3, 53737124), (4, 40302843), (6, 26868562), (7, 23030196), (12, 13434281), (14, 11515098), (21, 7676732), (28, 5757549), (42, 3838366), (49, 3290028), (53, 3041724), (84, 1919183), (98, 1645014), (106, 1520862), (147, 1096676), (159, 1013908), (196, 822507), (212, 760431), (294, 548338), (318, 506954), (343, 470004), (371, 434532), (588, 274169), (636, 253477), (686, 235002), (739, 218148), (742, 217266), (1029, 156668), (1113, 144844), (1372, 117501), (1478, 109074), (1484, 108633), (2058, 78334), (2217, 72716), (2226, 72422), (2597, 62076), (2956, 54537), (4116, 39167), (4434, 36358), (4452, 36211), (5173, 31164), (5194, 31038), (7791, 20692), (8868, 18179), (10346, 15582), (10388, 15519)]