2163995984

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{51563}}^1$

素因数の和:51675

約数の個数: 40

約数和(自身を含む): 4360664352

約数和(自身を除く): 2196668368

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 2623, 5246, 10492, 20984, 41968, 51563, 103126, 206252, 412504, 825008, 2217209, 3145343, 4434418, 6290686, 8868836, 12581372, 17737672, 25162744, 35475344, 50325488, 135249749, 270499498, 540998996, 1081997992, 2163995984]

約数ペア:

[(1, 2163995984), (2, 1081997992), (4, 540998996), (8, 270499498), (16, 135249749), (43, 50325488), (61, 35475344), (86, 25162744), (122, 17737672), (172, 12581372), (244, 8868836), (344, 6290686), (488, 4434418), (688, 3145343), (976, 2217209), (2623, 825008), (5246, 412504), (10492, 206252), (20984, 103126), (41968, 51563)]