201491378

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 366499056

約数和(自身を除く): 165007678

約数列:

[1, 2, 11, 17, 22, 34, 43, 67, 86, 121, 134, 187, 242, 289, 374, 473, 578, 731, 737, 946, 1139, 1462, 1474, 2057, 2278, 2881, 3179, 4114, 5203, 5762, 6358, 8041, 8107, 10406, 12427, 12529, 16082, 16214, 19363, 24854, 25058, 31691, 34969, 38726, 48977, 63382, 69938, 88451, 97954, 136697, 137819, 176902, 212993, 273394, 275638, 348601, 425986, 538747, 697202, 832609, 1077494, 1503667, 1665218, 2342923, 3007334, 4685846, 5926217, 9158699, 11852434, 18317398, 100745689, 201491378]

約数ペア:

[(1, 201491378), (2, 100745689), (11, 18317398), (17, 11852434), (22, 9158699), (34, 5926217), (43, 4685846), (67, 3007334), (86, 2342923), (121, 1665218), (134, 1503667), (187, 1077494), (242, 832609), (289, 697202), (374, 538747), (473, 425986), (578, 348601), (731, 275638), (737, 273394), (946, 212993), (1139, 176902), (1462, 137819), (1474, 136697), (2057, 97954), (2278, 88451), (2881, 69938), (3179, 63382), (4114, 48977), (5203, 38726), (5762, 34969), (6358, 31691), (8041, 25058), (8107, 24854), (10406, 19363), (12427, 16214), (12529, 16082)]