381398250416

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{121001983}}^1$

素因数の和:121002188

約数の個数: 20

約数和(自身を含む): 742710177792

約数和(自身を除く): 361311927376

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 121001983, 242003966, 484007932, 968015864, 1936031728, 23837390651, 47674781302, 95349562604, 190699125208, 381398250416]

約数ペア:

[(1, 381398250416), (2, 190699125208), (4, 95349562604), (8, 47674781302), (16, 23837390651), (197, 1936031728), (394, 968015864), (788, 484007932), (1576, 242003966), (3152, 121001983)]