28227888

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:931

約数の個数: 120

約数和(自身を含む): 90181728

約数和(自身を除く): 61953840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 306, 312, 408, 442, 468, 612, 624, 663, 816, 884, 887, 936, 1224, 1326, 1768, 1774, 1872, 1989, 2448, 2652, 2661, 3536, 3548, 3978, 5304, 5322, 7096, 7956, 7983, 10608, 10644, 11531, 14192, 15079, 15912, 15966, 21288, 23062, 30158, 31824, 31932, 34593, 42576, 45237, 46124, 60316, 63864, 69186, 90474, 92248, 103779, 120632, 127728, 135711, 138372, 180948, 184496, 196027, 207558, 241264, 271422, 276744, 361896, 392054, 415116, 542844, 553488, 588081, 723792, 784108, 830232, 1085688, 1176162, 1568216, 1660464, 1764243, 2171376, 2352324, 3136432, 3528486, 4704648, 7056972, 9409296, 14113944, 28227888]

約数ペア:

[(1, 28227888), (2, 14113944), (3, 9409296), (4, 7056972), (6, 4704648), (8, 3528486), (9, 3136432), (12, 2352324), (13, 2171376), (16, 1764243), (17, 1660464), (18, 1568216), (24, 1176162), (26, 1085688), (34, 830232), (36, 784108), (39, 723792), (48, 588081), (51, 553488), (52, 542844), (68, 415116), (72, 392054), (78, 361896), (102, 276744), (104, 271422), (117, 241264), (136, 207558), (144, 196027), (153, 184496), (156, 180948), (204, 138372), (208, 135711), (221, 127728), (234, 120632), (272, 103779), (306, 92248), (312, 90474), (408, 69186), (442, 63864), (468, 60316), (612, 46124), (624, 45237), (663, 42576), (816, 34593), (884, 31932), (887, 31824), (936, 30158), (1224, 23062), (1326, 21288), (1768, 15966), (1774, 15912), (1872, 15079), (1989, 14192), (2448, 11531), (2652, 10644), (2661, 10608), (3536, 7983), (3548, 7956), (3978, 7096), (5304, 5322)]