978784212

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 2746856448

約数和(自身を除く): 1768072236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 107, 141, 147, 188, 196, 214, 282, 294, 321, 329, 331, 428, 564, 588, 642, 658, 662, 749, 987, 993, 1284, 1316, 1324, 1498, 1974, 1986, 2247, 2303, 2317, 2996, 3948, 3972, 4494, 4606, 4634, 5029, 5243, 6909, 6951, 8988, 9212, 9268, 10058, 10486, 13818, 13902, 15087, 15557, 15729, 16219, 20116, 20972, 27636, 27804, 30174, 31114, 31458, 32438, 35203, 35417, 46671, 48657, 60348, 62228, 62916, 64876, 70406, 70834, 93342, 97314, 105609, 106251, 108899, 140812, 141668, 186684, 194628, 211218, 212502, 217798, 246421, 247919, 326697, 422436, 425004, 435596, 492842, 495838, 653394, 739263, 743757, 762293, 985684, 991676, 1306788, 1478526, 1487514, 1524586, 1664599, 1735433, 2286879, 2957052, 2975028, 3049172, 3329198, 3470866, 4573758, 4993797, 5206299, 6658396, 6941732, 9147516, 9987594, 10412598, 11652193, 19975188, 20825196, 23304386, 34956579, 46608772, 69913158, 81565351, 139826316, 163130702, 244696053, 326261404, 489392106, 978784212]

約数ペア:

[(1, 978784212), (2, 489392106), (3, 326261404), (4, 244696053), (6, 163130702), (7, 139826316), (12, 81565351), (14, 69913158), (21, 46608772), (28, 34956579), (42, 23304386), (47, 20825196), (49, 19975188), (84, 11652193), (94, 10412598), (98, 9987594), (107, 9147516), (141, 6941732), (147, 6658396), (188, 5206299), (196, 4993797), (214, 4573758), (282, 3470866), (294, 3329198), (321, 3049172), (329, 2975028), (331, 2957052), (428, 2286879), (564, 1735433), (588, 1664599), (642, 1524586), (658, 1487514), (662, 1478526), (749, 1306788), (987, 991676), (993, 985684), (1284, 762293), (1316, 743757), (1324, 739263), (1498, 653394), (1974, 495838), (1986, 492842), (2247, 435596), (2303, 425004), (2317, 422436), (2996, 326697), (3948, 247919), (3972, 246421), (4494, 217798), (4606, 212502), (4634, 211218), (5029, 194628), (5243, 186684), (6909, 141668), (6951, 140812), (8988, 108899), (9212, 106251), (9268, 105609), (10058, 97314), (10486, 93342), (13818, 70834), (13902, 70406), (15087, 64876), (15557, 62916), (15729, 62228), (16219, 60348), (20116, 48657), (20972, 46671), (27636, 35417), (27804, 35203), (30174, 32438), (31114, 31458)]