1990993984

素因数分解:

$2^6\times 7^1\times {\mathrm{839}}^1\times {\mathrm{5297}}^1$

素因数の和:6155

約数の個数: 56

約数和(自身を含む): 4521525120

約数和(自身を除く): 2530531136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 839, 1678, 3356, 5297, 5873, 6712, 10594, 11746, 13424, 21188, 23492, 26848, 37079, 42376, 46984, 53696, 74158, 84752, 93968, 148316, 169504, 187936, 296632, 339008, 375872, 593264, 1186528, 2373056, 4444183, 8888366, 17776732, 31109281, 35553464, 62218562, 71106928, 124437124, 142213856, 248874248, 284427712, 497748496, 995496992, 1990993984]

約数ペア:

[(1, 1990993984), (2, 995496992), (4, 497748496), (7, 284427712), (8, 248874248), (14, 142213856), (16, 124437124), (28, 71106928), (32, 62218562), (56, 35553464), (64, 31109281), (112, 17776732), (224, 8888366), (448, 4444183), (839, 2373056), (1678, 1186528), (3356, 593264), (5297, 375872), (5873, 339008), (6712, 296632), (10594, 187936), (11746, 169504), (13424, 148316), (21188, 93968), (23492, 84752), (26848, 74158), (37079, 53696), (42376, 46984)]