138721808

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1597}}^1$

素因数の和:1755

約数の個数: 40

約数和(自身を含む): 276422040

約数和(自身を除く): 137700232

約数列:

[1, 2, 4, 8, 16, 61, 89, 122, 178, 244, 356, 488, 712, 976, 1424, 1597, 3194, 5429, 6388, 10858, 12776, 21716, 25552, 43432, 86864, 97417, 142133, 194834, 284266, 389668, 568532, 779336, 1137064, 1558672, 2274128, 8670113, 17340226, 34680452, 69360904, 138721808]

約数ペア:

[(1, 138721808), (2, 69360904), (4, 34680452), (8, 17340226), (16, 8670113), (61, 2274128), (89, 1558672), (122, 1137064), (178, 779336), (244, 568532), (356, 389668), (488, 284266), (712, 194834), (976, 142133), (1424, 97417), (1597, 86864), (3194, 43432), (5429, 25552), (6388, 21716), (10858, 12776)]