81641976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261673}}^1$

素因数の和:261695

約数の個数: 32

約数和(自身を含む): 219806160

約数和(自身を除く): 138164184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261673, 523346, 785019, 1046692, 1570038, 2093384, 3140076, 3401749, 6280152, 6803498, 10205247, 13606996, 20410494, 27213992, 40820988, 81641976]

約数ペア:

[(1, 81641976), (2, 40820988), (3, 27213992), (4, 20410494), (6, 13606996), (8, 10205247), (12, 6803498), (13, 6280152), (24, 3401749), (26, 3140076), (39, 2093384), (52, 1570038), (78, 1046692), (104, 785019), (156, 523346), (312, 261673)]