408806384

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1258

約数の個数: 80

約数和(自身を含む): 938243520

約数和(自身を除く): 529437136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 61, 106, 112, 122, 212, 244, 371, 424, 427, 488, 742, 848, 854, 976, 1129, 1484, 1708, 2258, 2968, 3233, 3416, 4516, 5936, 6466, 6832, 7903, 9032, 12932, 15806, 18064, 22631, 25864, 31612, 45262, 51728, 59837, 63224, 68869, 90524, 119674, 126448, 137738, 181048, 239348, 275476, 362096, 418859, 478696, 482083, 550952, 837718, 957392, 964166, 1101904, 1675436, 1928332, 3350872, 3650057, 3856664, 6701744, 7300114, 7713328, 14600228, 25550399, 29200456, 51100798, 58400912, 102201596, 204403192, 408806384]

約数ペア:

[(1, 408806384), (2, 204403192), (4, 102201596), (7, 58400912), (8, 51100798), (14, 29200456), (16, 25550399), (28, 14600228), (53, 7713328), (56, 7300114), (61, 6701744), (106, 3856664), (112, 3650057), (122, 3350872), (212, 1928332), (244, 1675436), (371, 1101904), (424, 964166), (427, 957392), (488, 837718), (742, 550952), (848, 482083), (854, 478696), (976, 418859), (1129, 362096), (1484, 275476), (1708, 239348), (2258, 181048), (2968, 137738), (3233, 126448), (3416, 119674), (4516, 90524), (5936, 68869), (6466, 63224), (6832, 59837), (7903, 51728), (9032, 45262), (12932, 31612), (15806, 25864), (18064, 22631)]