164177584

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 345201120

約数和(自身を除く): 181023536

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 73, 74, 116, 131, 146, 148, 232, 262, 292, 296, 464, 524, 584, 592, 1048, 1073, 1168, 2096, 2117, 2146, 2701, 3799, 4234, 4292, 4847, 5402, 7598, 8468, 8584, 9563, 9694, 10804, 15196, 16936, 17168, 19126, 19388, 21608, 30392, 33872, 38252, 38776, 43216, 60784, 76504, 77552, 78329, 140563, 153008, 156658, 277327, 281126, 313316, 353831, 554654, 562252, 626632, 707662, 1109308, 1124504, 1253264, 1415324, 2218616, 2249008, 2830648, 4437232, 5661296, 10261099, 20522198, 41044396, 82088792, 164177584]

約数ペア:

[(1, 164177584), (2, 82088792), (4, 41044396), (8, 20522198), (16, 10261099), (29, 5661296), (37, 4437232), (58, 2830648), (73, 2249008), (74, 2218616), (116, 1415324), (131, 1253264), (146, 1124504), (148, 1109308), (232, 707662), (262, 626632), (292, 562252), (296, 554654), (464, 353831), (524, 313316), (584, 281126), (592, 277327), (1048, 156658), (1073, 153008), (1168, 140563), (2096, 78329), (2117, 77552), (2146, 76504), (2701, 60784), (3799, 43216), (4234, 38776), (4292, 38252), (4847, 33872), (5402, 30392), (7598, 21608), (8468, 19388), (8584, 19126), (9563, 17168), (9694, 16936), (10804, 15196)]