861298728

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 2363904000

約数和(自身を除く): 1502605272

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 71, 74, 76, 111, 114, 142, 148, 152, 213, 222, 228, 284, 296, 426, 444, 456, 568, 703, 719, 852, 888, 1349, 1406, 1438, 1704, 2109, 2157, 2627, 2698, 2812, 2876, 4047, 4218, 4314, 5254, 5396, 5624, 5752, 7881, 8094, 8436, 8628, 10508, 10792, 13661, 15762, 16188, 16872, 17256, 21016, 26603, 27322, 31524, 32376, 40983, 49913, 51049, 53206, 54644, 63048, 79809, 81966, 99826, 102098, 106412, 109288, 149739, 153147, 159618, 163932, 199652, 204196, 212824, 299478, 306294, 319236, 327864, 399304, 408392, 505457, 598956, 612588, 638472, 969931, 1010914, 1197912, 1225176, 1516371, 1888813, 1939862, 2021828, 2909793, 3032742, 3777626, 3879724, 4043656, 5666439, 5819586, 6065484, 7555252, 7759448, 11332878, 11639172, 12130968, 15110504, 22665756, 23278344, 35887447, 45331512, 71774894, 107662341, 143549788, 215324682, 287099576, 430649364, 861298728]

約数ペア:

[(1, 861298728), (2, 430649364), (3, 287099576), (4, 215324682), (6, 143549788), (8, 107662341), (12, 71774894), (19, 45331512), (24, 35887447), (37, 23278344), (38, 22665756), (57, 15110504), (71, 12130968), (74, 11639172), (76, 11332878), (111, 7759448), (114, 7555252), (142, 6065484), (148, 5819586), (152, 5666439), (213, 4043656), (222, 3879724), (228, 3777626), (284, 3032742), (296, 2909793), (426, 2021828), (444, 1939862), (456, 1888813), (568, 1516371), (703, 1225176), (719, 1197912), (852, 1010914), (888, 969931), (1349, 638472), (1406, 612588), (1438, 598956), (1704, 505457), (2109, 408392), (2157, 399304), (2627, 327864), (2698, 319236), (2812, 306294), (2876, 299478), (4047, 212824), (4218, 204196), (4314, 199652), (5254, 163932), (5396, 159618), (5624, 153147), (5752, 149739), (7881, 109288), (8094, 106412), (8436, 102098), (8628, 99826), (10508, 81966), (10792, 79809), (13661, 63048), (15762, 54644), (16188, 53206), (16872, 51049), (17256, 49913), (21016, 40983), (26603, 32376), (27322, 31524)]