81171328

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 198398160

約数和(自身を除く): 117226832

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 73, 112, 119, 128, 136, 146, 224, 238, 272, 292, 448, 476, 511, 544, 584, 896, 952, 1022, 1088, 1168, 1241, 1904, 2044, 2176, 2336, 2482, 3808, 4088, 4672, 4964, 5329, 7616, 8176, 8687, 9344, 9928, 10658, 15232, 16352, 17374, 19856, 21316, 32704, 34748, 37303, 39712, 42632, 65408, 69496, 74606, 79424, 85264, 90593, 138992, 149212, 158848, 170528, 181186, 277984, 298424, 341056, 362372, 555968, 596848, 634151, 682112, 724744, 1111936, 1193696, 1268302, 1449488, 2387392, 2536604, 2898976, 4774784, 5073208, 5797952, 10146416, 11595904, 20292832, 40585664, 81171328]

約数ペア:

[(1, 81171328), (2, 40585664), (4, 20292832), (7, 11595904), (8, 10146416), (14, 5797952), (16, 5073208), (17, 4774784), (28, 2898976), (32, 2536604), (34, 2387392), (56, 1449488), (64, 1268302), (68, 1193696), (73, 1111936), (112, 724744), (119, 682112), (128, 634151), (136, 596848), (146, 555968), (224, 362372), (238, 341056), (272, 298424), (292, 277984), (448, 181186), (476, 170528), (511, 158848), (544, 149212), (584, 138992), (896, 90593), (952, 85264), (1022, 79424), (1088, 74606), (1168, 69496), (1241, 65408), (1904, 42632), (2044, 39712), (2176, 37303), (2336, 34748), (2482, 32704), (3808, 21316), (4088, 19856), (4672, 17374), (4964, 16352), (5329, 15232), (7616, 10658), (8176, 9928), (8687, 9344)]