649422128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{5381}}^1$

素因数の和:5805

約数の個数: 40

約数和(自身を含む): 1328062320

約数和(自身を除く): 678640192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 397, 794, 1588, 3176, 5381, 6352, 7543, 10762, 15086, 21524, 30172, 43048, 60344, 86096, 102239, 120688, 204478, 408956, 817912, 1635824, 2136257, 4272514, 8545028, 17090056, 34180112, 40588883, 81177766, 162355532, 324711064, 649422128]

約数ペア:

[(1, 649422128), (2, 324711064), (4, 162355532), (8, 81177766), (16, 40588883), (19, 34180112), (38, 17090056), (76, 8545028), (152, 4272514), (304, 2136257), (397, 1635824), (794, 817912), (1588, 408956), (3176, 204478), (5381, 120688), (6352, 102239), (7543, 86096), (10762, 60344), (15086, 43048), (21524, 30172)]