28736208

素因数分解:

$2^4\times 3^5\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 120

約数和(自身を含む): 88015200

約数和(自身を除く): 59278992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 304, 324, 342, 389, 432, 456, 486, 513, 648, 684, 778, 912, 972, 1026, 1167, 1296, 1368, 1539, 1556, 1944, 2052, 2334, 2736, 3078, 3112, 3501, 3888, 4104, 4617, 4668, 6156, 6224, 7002, 7391, 8208, 9234, 9336, 10503, 12312, 14004, 14782, 18468, 18672, 21006, 22173, 24624, 28008, 29564, 31509, 36936, 42012, 44346, 56016, 59128, 63018, 66519, 73872, 84024, 88692, 94527, 118256, 126036, 133038, 168048, 177384, 189054, 199557, 252072, 266076, 354768, 378108, 399114, 504144, 532152, 598671, 756216, 798228, 1064304, 1197342, 1512432, 1596456, 1796013, 2394684, 3192912, 3592026, 4789368, 7184052, 9578736, 14368104, 28736208]

約数ペア:

[(1, 28736208), (2, 14368104), (3, 9578736), (4, 7184052), (6, 4789368), (8, 3592026), (9, 3192912), (12, 2394684), (16, 1796013), (18, 1596456), (19, 1512432), (24, 1197342), (27, 1064304), (36, 798228), (38, 756216), (48, 598671), (54, 532152), (57, 504144), (72, 399114), (76, 378108), (81, 354768), (108, 266076), (114, 252072), (144, 199557), (152, 189054), (162, 177384), (171, 168048), (216, 133038), (228, 126036), (243, 118256), (304, 94527), (324, 88692), (342, 84024), (389, 73872), (432, 66519), (456, 63018), (486, 59128), (513, 56016), (648, 44346), (684, 42012), (778, 36936), (912, 31509), (972, 29564), (1026, 28008), (1167, 24624), (1296, 22173), (1368, 21006), (1539, 18672), (1556, 18468), (1944, 14782), (2052, 14004), (2334, 12312), (2736, 10503), (3078, 9336), (3112, 9234), (3501, 8208), (3888, 7391), (4104, 7002), (4617, 6224), (4668, 6156)]