221252642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{991}}^1$

素因数の和:1314

約数の個数: 32

約数和(自身を含む): 370642944

約数和(自身を除く): 149390302

約数列:

[1, 2, 13, 26, 31, 62, 277, 403, 554, 806, 991, 1982, 3601, 7202, 8587, 12883, 17174, 25766, 30721, 61442, 111631, 223262, 274507, 399373, 549014, 798746, 3568591, 7137182, 8509717, 17019434, 110626321, 221252642]

約数ペア:

[(1, 221252642), (2, 110626321), (13, 17019434), (26, 8509717), (31, 7137182), (62, 3568591), (277, 798746), (403, 549014), (554, 399373), (806, 274507), (991, 223262), (1982, 111631), (3601, 61442), (7202, 30721), (8587, 25766), (12883, 17174)]