31480736

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1222

約数の個数: 72

約数和(自身を含む): 76402116

約数和(自身を除く): 44921380

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1181, 1568, 1666, 1904, 2362, 3332, 3808, 4724, 6664, 8267, 9448, 13328, 16534, 18896, 20077, 26656, 33068, 37792, 40154, 57869, 66136, 80308, 115738, 132272, 140539, 160616, 231476, 264544, 281078, 321232, 462952, 562156, 642464, 925904, 983773, 1124312, 1851808, 1967546, 2248624, 3935092, 4497248, 7870184, 15740368, 31480736]

約数ペア:

[(1, 31480736), (2, 15740368), (4, 7870184), (7, 4497248), (8, 3935092), (14, 2248624), (16, 1967546), (17, 1851808), (28, 1124312), (32, 983773), (34, 925904), (49, 642464), (56, 562156), (68, 462952), (98, 321232), (112, 281078), (119, 264544), (136, 231476), (196, 160616), (224, 140539), (238, 132272), (272, 115738), (392, 80308), (476, 66136), (544, 57869), (784, 40154), (833, 37792), (952, 33068), (1181, 26656), (1568, 20077), (1666, 18896), (1904, 16534), (2362, 13328), (3332, 9448), (3808, 8267), (4724, 6664)]