15780821728

素因数分解:

$2^5\times 7^1\times {\mathrm{131}}^1\times {\mathrm{537787}}^1$

素因数の和:537935

約数の個数: 48

約数和(自身を含む): 35777960064

約数和(自身を除く): 19997138336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 131, 224, 262, 524, 917, 1048, 1834, 2096, 3668, 4192, 7336, 14672, 29344, 537787, 1075574, 2151148, 3764509, 4302296, 7529018, 8604592, 15058036, 17209184, 30116072, 60232144, 70450097, 120464288, 140900194, 281800388, 493150679, 563600776, 986301358, 1127201552, 1972602716, 2254403104, 3945205432, 7890410864, 15780821728]

約数ペア:

[(1, 15780821728), (2, 7890410864), (4, 3945205432), (7, 2254403104), (8, 1972602716), (14, 1127201552), (16, 986301358), (28, 563600776), (32, 493150679), (56, 281800388), (112, 140900194), (131, 120464288), (224, 70450097), (262, 60232144), (524, 30116072), (917, 17209184), (1048, 15058036), (1834, 8604592), (2096, 7529018), (3668, 4302296), (4192, 3764509), (7336, 2151148), (14672, 1075574), (29344, 537787)]