198789976

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:545

約数の個数: 128

約数和(自身を含む): 505128960

約数和(自身を除く): 306338984

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 41, 44, 56, 68, 77, 82, 88, 119, 136, 154, 164, 187, 238, 287, 308, 328, 374, 451, 463, 476, 574, 616, 697, 748, 902, 926, 952, 1148, 1309, 1394, 1496, 1804, 1852, 2296, 2618, 2788, 3157, 3241, 3608, 3704, 4879, 5093, 5236, 5576, 6314, 6482, 7667, 7871, 9758, 10186, 10472, 12628, 12964, 15334, 15742, 18983, 19516, 20372, 25256, 25928, 30668, 31484, 35651, 37966, 39032, 40744, 53669, 55097, 61336, 62968, 71302, 75932, 86581, 107338, 110194, 132881, 142604, 151864, 173162, 208813, 214676, 220388, 265762, 285208, 322711, 346324, 417626, 429352, 440776, 531524, 606067, 645422, 692648, 835252, 1063048, 1212134, 1290844, 1461691, 1670504, 2258977, 2424268, 2581688, 2923382, 3549821, 4517954, 4848536, 5846764, 7099642, 9035908, 11693528, 14199284, 18071816, 24848747, 28398568, 49697494, 99394988, 198789976]

約数ペア:

[(1, 198789976), (2, 99394988), (4, 49697494), (7, 28398568), (8, 24848747), (11, 18071816), (14, 14199284), (17, 11693528), (22, 9035908), (28, 7099642), (34, 5846764), (41, 4848536), (44, 4517954), (56, 3549821), (68, 2923382), (77, 2581688), (82, 2424268), (88, 2258977), (119, 1670504), (136, 1461691), (154, 1290844), (164, 1212134), (187, 1063048), (238, 835252), (287, 692648), (308, 645422), (328, 606067), (374, 531524), (451, 440776), (463, 429352), (476, 417626), (574, 346324), (616, 322711), (697, 285208), (748, 265762), (902, 220388), (926, 214676), (952, 208813), (1148, 173162), (1309, 151864), (1394, 142604), (1496, 132881), (1804, 110194), (1852, 107338), (2296, 86581), (2618, 75932), (2788, 71302), (3157, 62968), (3241, 61336), (3608, 55097), (3704, 53669), (4879, 40744), (5093, 39032), (5236, 37966), (5576, 35651), (6314, 31484), (6482, 30668), (7667, 25928), (7871, 25256), (9758, 20372), (10186, 19516), (10472, 18983), (12628, 15742), (12964, 15334)]