638631144

素因数分解:

$2^3\times 3^2\times {\mathrm{2143}}^1\times {\mathrm{4139}}^1$

素因数の和:6294

約数の個数: 48

約数和(自身を含む): 1730851200

約数和(自身を除く): 1092220056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 2143, 4139, 4286, 6429, 8278, 8572, 12417, 12858, 16556, 17144, 19287, 24834, 25716, 33112, 37251, 38574, 49668, 51432, 74502, 77148, 99336, 149004, 154296, 298008, 8869877, 17739754, 26609631, 35479508, 53219262, 70959016, 79828893, 106438524, 159657786, 212877048, 319315572, 638631144]

約数ペア:

[(1, 638631144), (2, 319315572), (3, 212877048), (4, 159657786), (6, 106438524), (8, 79828893), (9, 70959016), (12, 53219262), (18, 35479508), (24, 26609631), (36, 17739754), (72, 8869877), (2143, 298008), (4139, 154296), (4286, 149004), (6429, 99336), (8278, 77148), (8572, 74502), (12417, 51432), (12858, 49668), (16556, 38574), (17144, 37251), (19287, 33112), (24834, 25716)]