28690984

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 64460160

約数和(自身を除く): 35769176

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 61, 74, 122, 148, 227, 244, 259, 296, 427, 454, 488, 518, 854, 908, 1036, 1589, 1708, 1816, 2072, 2257, 3178, 3416, 4514, 6356, 8399, 9028, 12712, 13847, 15799, 16798, 18056, 27694, 31598, 33596, 55388, 58793, 63196, 67192, 96929, 110776, 117586, 126392, 193858, 235172, 387716, 470344, 512339, 775432, 1024678, 2049356, 3586373, 4098712, 7172746, 14345492, 28690984]

約数ペア:

[(1, 28690984), (2, 14345492), (4, 7172746), (7, 4098712), (8, 3586373), (14, 2049356), (28, 1024678), (37, 775432), (56, 512339), (61, 470344), (74, 387716), (122, 235172), (148, 193858), (227, 126392), (244, 117586), (259, 110776), (296, 96929), (427, 67192), (454, 63196), (488, 58793), (518, 55388), (854, 33596), (908, 31598), (1036, 27694), (1589, 18056), (1708, 16798), (1816, 15799), (2072, 13847), (2257, 12712), (3178, 9028), (3416, 8399), (4514, 6356)]