28278208

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 112

約数和(自身を含む): 70225920

約数和(自身を除く): 41947712

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 47, 56, 64, 68, 79, 94, 112, 119, 136, 158, 188, 224, 238, 272, 316, 329, 376, 448, 476, 544, 553, 632, 658, 752, 799, 952, 1088, 1106, 1264, 1316, 1343, 1504, 1598, 1904, 2212, 2528, 2632, 2686, 3008, 3196, 3713, 3808, 4424, 5056, 5264, 5372, 5593, 6392, 7426, 7616, 8848, 9401, 10528, 10744, 11186, 12784, 14852, 17696, 18802, 21056, 21488, 22372, 25568, 25991, 29704, 35392, 37604, 42976, 44744, 51136, 51982, 59408, 63121, 75208, 85952, 89488, 103964, 118816, 126242, 150416, 178976, 207928, 237632, 252484, 300832, 357952, 415856, 441847, 504968, 601664, 831712, 883694, 1009936, 1663424, 1767388, 2019872, 3534776, 4039744, 7069552, 14139104, 28278208]

約数ペア:

[(1, 28278208), (2, 14139104), (4, 7069552), (7, 4039744), (8, 3534776), (14, 2019872), (16, 1767388), (17, 1663424), (28, 1009936), (32, 883694), (34, 831712), (47, 601664), (56, 504968), (64, 441847), (68, 415856), (79, 357952), (94, 300832), (112, 252484), (119, 237632), (136, 207928), (158, 178976), (188, 150416), (224, 126242), (238, 118816), (272, 103964), (316, 89488), (329, 85952), (376, 75208), (448, 63121), (476, 59408), (544, 51982), (553, 51136), (632, 44744), (658, 42976), (752, 37604), (799, 35392), (952, 29704), (1088, 25991), (1106, 25568), (1264, 22372), (1316, 21488), (1343, 21056), (1504, 18802), (1598, 17696), (1904, 14852), (2212, 12784), (2528, 11186), (2632, 10744), (2686, 10528), (3008, 9401), (3196, 8848), (3713, 7616), (3808, 7426), (4424, 6392), (5056, 5593), (5264, 5372)]