198483728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 419973120

約数和(自身を除く): 221489392

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 97, 106, 127, 152, 194, 212, 254, 304, 388, 424, 508, 776, 848, 1007, 1016, 1552, 1843, 2014, 2032, 2413, 3686, 4028, 4826, 5141, 6731, 7372, 8056, 9652, 10282, 12319, 13462, 14744, 16112, 19304, 20564, 24638, 26924, 29488, 38608, 41128, 49276, 53848, 82256, 97679, 98552, 107696, 127889, 195358, 197104, 234061, 255778, 390716, 468122, 511556, 652907, 781432, 936244, 1023112, 1305814, 1562864, 1872488, 2046224, 2611628, 3744976, 5223256, 10446512, 12405233, 24810466, 49620932, 99241864, 198483728]

約数ペア:

[(1, 198483728), (2, 99241864), (4, 49620932), (8, 24810466), (16, 12405233), (19, 10446512), (38, 5223256), (53, 3744976), (76, 2611628), (97, 2046224), (106, 1872488), (127, 1562864), (152, 1305814), (194, 1023112), (212, 936244), (254, 781432), (304, 652907), (388, 511556), (424, 468122), (508, 390716), (776, 255778), (848, 234061), (1007, 197104), (1016, 195358), (1552, 127889), (1843, 107696), (2014, 98552), (2032, 97679), (2413, 82256), (3686, 53848), (4028, 49276), (4826, 41128), (5141, 38608), (6731, 29488), (7372, 26924), (8056, 24638), (9652, 20564), (10282, 19304), (12319, 16112), (13462, 14744)]