1621673272

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{78539}}^1$

素因数の和:78663

約数の個数: 32

約数和(自身を含む): 3180870000

約数和(自身を除く): 1559196728

約数列:

[1, 2, 4, 8, 29, 58, 89, 116, 178, 232, 356, 712, 2581, 5162, 10324, 20648, 78539, 157078, 314156, 628312, 2277631, 4555262, 6989971, 9110524, 13979942, 18221048, 27959884, 55919768, 202709159, 405418318, 810836636, 1621673272]

約数ペア:

[(1, 1621673272), (2, 810836636), (4, 405418318), (8, 202709159), (29, 55919768), (58, 27959884), (89, 18221048), (116, 13979942), (178, 9110524), (232, 6989971), (356, 4555262), (712, 2277631), (2581, 628312), (5162, 314156), (10324, 157078), (20648, 78539)]