31491616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 72839088

約数和(自身を除く): 41347472

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 61, 68, 73, 104, 122, 136, 146, 208, 221, 244, 272, 292, 416, 442, 488, 544, 584, 793, 884, 949, 976, 1037, 1168, 1241, 1586, 1768, 1898, 1952, 2074, 2336, 2482, 3172, 3536, 3796, 4148, 4453, 4964, 6344, 7072, 7592, 8296, 8906, 9928, 12688, 13481, 15184, 16133, 16592, 17812, 19856, 25376, 26962, 30368, 32266, 33184, 35624, 39712, 53924, 57889, 64532, 71248, 75701, 107848, 115778, 129064, 142496, 151402, 215696, 231556, 258128, 302804, 431392, 463112, 516256, 605608, 926224, 984113, 1211216, 1852448, 1968226, 2422432, 3936452, 7872904, 15745808, 31491616]

約数ペア:

[(1, 31491616), (2, 15745808), (4, 7872904), (8, 3936452), (13, 2422432), (16, 1968226), (17, 1852448), (26, 1211216), (32, 984113), (34, 926224), (52, 605608), (61, 516256), (68, 463112), (73, 431392), (104, 302804), (122, 258128), (136, 231556), (146, 215696), (208, 151402), (221, 142496), (244, 129064), (272, 115778), (292, 107848), (416, 75701), (442, 71248), (488, 64532), (544, 57889), (584, 53924), (793, 39712), (884, 35624), (949, 33184), (976, 32266), (1037, 30368), (1168, 26962), (1241, 25376), (1586, 19856), (1768, 17812), (1898, 16592), (1952, 16133), (2074, 15184), (2336, 13481), (2482, 12688), (3172, 9928), (3536, 8906), (3796, 8296), (4148, 7592), (4453, 7072), (4964, 6344)]