261925944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2713

約数の個数: 128

約数和(自身を含む): 813465600

約数和(自身を除く): 551539656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 31, 38, 42, 56, 57, 62, 76, 84, 93, 114, 124, 133, 152, 168, 186, 217, 228, 248, 266, 372, 399, 434, 456, 532, 589, 651, 744, 798, 868, 1064, 1178, 1302, 1596, 1736, 1767, 2356, 2604, 2647, 3192, 3534, 4123, 4712, 5208, 5294, 7068, 7941, 8246, 10588, 12369, 14136, 15882, 16492, 18529, 21176, 24738, 31764, 32984, 37058, 49476, 50293, 55587, 63528, 74116, 82057, 98952, 100586, 111174, 148232, 150879, 164114, 201172, 222348, 246171, 301758, 328228, 352051, 402344, 444696, 492342, 574399, 603516, 656456, 704102, 984684, 1056153, 1148798, 1207032, 1408204, 1559083, 1723197, 1969368, 2112306, 2297596, 2816408, 3118166, 3446394, 4224612, 4595192, 4677249, 6236332, 6892788, 8449224, 9354498, 10913581, 12472664, 13785576, 18708996, 21827162, 32740743, 37417992, 43654324, 65481486, 87308648, 130962972, 261925944]

約数ペア:

[(1, 261925944), (2, 130962972), (3, 87308648), (4, 65481486), (6, 43654324), (7, 37417992), (8, 32740743), (12, 21827162), (14, 18708996), (19, 13785576), (21, 12472664), (24, 10913581), (28, 9354498), (31, 8449224), (38, 6892788), (42, 6236332), (56, 4677249), (57, 4595192), (62, 4224612), (76, 3446394), (84, 3118166), (93, 2816408), (114, 2297596), (124, 2112306), (133, 1969368), (152, 1723197), (168, 1559083), (186, 1408204), (217, 1207032), (228, 1148798), (248, 1056153), (266, 984684), (372, 704102), (399, 656456), (434, 603516), (456, 574399), (532, 492342), (589, 444696), (651, 402344), (744, 352051), (798, 328228), (868, 301758), (1064, 246171), (1178, 222348), (1302, 201172), (1596, 164114), (1736, 150879), (1767, 148232), (2356, 111174), (2604, 100586), (2647, 98952), (3192, 82057), (3534, 74116), (4123, 63528), (4712, 55587), (5208, 50293), (5294, 49476), (7068, 37058), (7941, 32984), (8246, 31764), (10588, 24738), (12369, 21176), (14136, 18529), (15882, 16492)]