1987343112

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2801}}^1$

素因数の和:2911

約数の個数: 128

約数和(自身を含む): 5519715840

約数和(自身を除く): 3532372728

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 47, 51, 68, 74, 94, 102, 111, 136, 141, 148, 188, 204, 222, 282, 296, 376, 408, 444, 564, 629, 799, 888, 1128, 1258, 1598, 1739, 1887, 2397, 2516, 2801, 3196, 3478, 3774, 4794, 5032, 5217, 5602, 6392, 6956, 7548, 8403, 9588, 10434, 11204, 13912, 15096, 16806, 19176, 20868, 22408, 29563, 33612, 41736, 47617, 59126, 67224, 88689, 95234, 103637, 118252, 131647, 142851, 177378, 190468, 207274, 236504, 263294, 285702, 310911, 354756, 380936, 394941, 414548, 526588, 571404, 621822, 709512, 789882, 829096, 1053176, 1142808, 1243644, 1579764, 1761829, 2237999, 2487288, 3159528, 3523658, 4475998, 4870939, 5285487, 6713997, 7047316, 8951996, 9741878, 10570974, 13427994, 14094632, 14612817, 17903992, 19483756, 21141948, 26855988, 29225634, 38967512, 42283896, 53711976, 58451268, 82805963, 116902536, 165611926, 248417889, 331223852, 496835778, 662447704, 993671556, 1987343112]

約数ペア:

[(1, 1987343112), (2, 993671556), (3, 662447704), (4, 496835778), (6, 331223852), (8, 248417889), (12, 165611926), (17, 116902536), (24, 82805963), (34, 58451268), (37, 53711976), (47, 42283896), (51, 38967512), (68, 29225634), (74, 26855988), (94, 21141948), (102, 19483756), (111, 17903992), (136, 14612817), (141, 14094632), (148, 13427994), (188, 10570974), (204, 9741878), (222, 8951996), (282, 7047316), (296, 6713997), (376, 5285487), (408, 4870939), (444, 4475998), (564, 3523658), (629, 3159528), (799, 2487288), (888, 2237999), (1128, 1761829), (1258, 1579764), (1598, 1243644), (1739, 1142808), (1887, 1053176), (2397, 829096), (2516, 789882), (2801, 709512), (3196, 621822), (3478, 571404), (3774, 526588), (4794, 414548), (5032, 394941), (5217, 380936), (5602, 354756), (6392, 310911), (6956, 285702), (7548, 263294), (8403, 236504), (9588, 207274), (10434, 190468), (11204, 177378), (13912, 142851), (15096, 131647), (16806, 118252), (19176, 103637), (20868, 95234), (22408, 88689), (29563, 67224), (33612, 59126), (41736, 47617)]