391505296

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 961813440

約数和(自身を除く): 570308144

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 107, 112, 182, 196, 208, 214, 359, 364, 392, 428, 637, 718, 728, 749, 784, 856, 1274, 1391, 1436, 1456, 1498, 1712, 2513, 2548, 2782, 2872, 2996, 4667, 5026, 5096, 5243, 5564, 5744, 5992, 9334, 9737, 10052, 10192, 10486, 11128, 11984, 17591, 18668, 19474, 20104, 20972, 22256, 32669, 35182, 37336, 38413, 38948, 40208, 41944, 65338, 68159, 70364, 74672, 76826, 77896, 83888, 130676, 136318, 140728, 153652, 155792, 228683, 261352, 268891, 272636, 281456, 307304, 457366, 499369, 522704, 537782, 545272, 614608, 914732, 998738, 1075564, 1090544, 1829464, 1882237, 1997476, 2151128, 3495583, 3658928, 3764474, 3994952, 4302256, 6991166, 7528948, 7989904, 13982332, 15057896, 24469081, 27964664, 30115792, 48938162, 55929328, 97876324, 195752648, 391505296]

約数ペア:

[(1, 391505296), (2, 195752648), (4, 97876324), (7, 55929328), (8, 48938162), (13, 30115792), (14, 27964664), (16, 24469081), (26, 15057896), (28, 13982332), (49, 7989904), (52, 7528948), (56, 6991166), (91, 4302256), (98, 3994952), (104, 3764474), (107, 3658928), (112, 3495583), (182, 2151128), (196, 1997476), (208, 1882237), (214, 1829464), (359, 1090544), (364, 1075564), (392, 998738), (428, 914732), (637, 614608), (718, 545272), (728, 537782), (749, 522704), (784, 499369), (856, 457366), (1274, 307304), (1391, 281456), (1436, 272636), (1456, 268891), (1498, 261352), (1712, 228683), (2513, 155792), (2548, 153652), (2782, 140728), (2872, 136318), (2996, 130676), (4667, 83888), (5026, 77896), (5096, 76826), (5243, 74672), (5564, 70364), (5744, 68159), (5992, 65338), (9334, 41944), (9737, 40208), (10052, 38948), (10192, 38413), (10486, 37336), (11128, 35182), (11984, 32669), (17591, 22256), (18668, 20972), (19474, 20104)]