257299504

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6737}}^1$

素因数の和:6794

約数の個数: 80

約数和(自身を含む): 641673216

約数和(自身を除く): 384373712

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 496, 616, 682, 868, 1232, 1364, 1736, 2387, 2728, 3472, 4774, 5456, 6737, 9548, 13474, 19096, 26948, 38192, 47159, 53896, 74107, 94318, 107792, 148214, 188636, 208847, 296428, 377272, 417694, 518749, 592856, 754544, 835388, 1037498, 1185712, 1461929, 1670776, 2074996, 2297317, 2923858, 3341552, 4149992, 4594634, 5847716, 8299984, 9189268, 11695432, 16081219, 18378536, 23390864, 32162438, 36757072, 64324876, 128649752, 257299504]

約数ペア:

[(1, 257299504), (2, 128649752), (4, 64324876), (7, 36757072), (8, 32162438), (11, 23390864), (14, 18378536), (16, 16081219), (22, 11695432), (28, 9189268), (31, 8299984), (44, 5847716), (56, 4594634), (62, 4149992), (77, 3341552), (88, 2923858), (112, 2297317), (124, 2074996), (154, 1670776), (176, 1461929), (217, 1185712), (248, 1037498), (308, 835388), (341, 754544), (434, 592856), (496, 518749), (616, 417694), (682, 377272), (868, 296428), (1232, 208847), (1364, 188636), (1736, 148214), (2387, 107792), (2728, 94318), (3472, 74107), (4774, 53896), (5456, 47159), (6737, 38192), (9548, 26948), (13474, 19096)]