291495974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 621084672

約数和(自身を除く): 329588698

約数列:

[1, 2, 7, 11, 14, 17, 22, 23, 34, 46, 47, 77, 94, 103, 119, 154, 161, 187, 206, 238, 253, 322, 329, 374, 391, 506, 517, 658, 721, 782, 799, 1034, 1081, 1133, 1309, 1442, 1598, 1751, 1771, 2162, 2266, 2369, 2618, 2737, 3502, 3542, 3619, 4301, 4738, 4841, 5474, 5593, 7238, 7567, 7931, 8602, 8789, 9682, 11186, 11891, 12257, 15134, 15862, 16583, 17578, 18377, 19261, 23782, 24514, 26059, 30107, 33166, 33887, 36754, 38522, 40273, 52118, 53251, 60214, 61523, 67774, 80546, 82297, 83237, 106502, 111343, 123046, 128639, 134827, 164594, 166474, 182413, 202147, 222686, 257278, 269654, 281911, 364826, 372757, 404294, 443003, 563822, 576079, 745514, 779401, 886006, 905267, 1152158, 1224773, 1415029, 1558802, 1810534, 1892831, 2449546, 2830058, 3101021, 3785662, 6202042, 6336869, 8573411, 12673738, 13249817, 17146822, 20821141, 26499634, 41642282, 145747987, 291495974]

約数ペア:

[(1, 291495974), (2, 145747987), (7, 41642282), (11, 26499634), (14, 20821141), (17, 17146822), (22, 13249817), (23, 12673738), (34, 8573411), (46, 6336869), (47, 6202042), (77, 3785662), (94, 3101021), (103, 2830058), (119, 2449546), (154, 1892831), (161, 1810534), (187, 1558802), (206, 1415029), (238, 1224773), (253, 1152158), (322, 905267), (329, 886006), (374, 779401), (391, 745514), (506, 576079), (517, 563822), (658, 443003), (721, 404294), (782, 372757), (799, 364826), (1034, 281911), (1081, 269654), (1133, 257278), (1309, 222686), (1442, 202147), (1598, 182413), (1751, 166474), (1771, 164594), (2162, 134827), (2266, 128639), (2369, 123046), (2618, 111343), (2737, 106502), (3502, 83237), (3542, 82297), (3619, 80546), (4301, 67774), (4738, 61523), (4841, 60214), (5474, 53251), (5593, 52118), (7238, 40273), (7567, 38522), (7931, 36754), (8602, 33887), (8789, 33166), (9682, 30107), (11186, 26059), (11891, 24514), (12257, 23782), (15134, 19261), (15862, 18377), (16583, 17578)]