199389954

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{2621}}^1$

素因数の和:3066

約数の個数: 32

約数和(自身を含む): 412807680

約数和(自身を除く): 213417726

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 409, 818, 1227, 2454, 2621, 5242, 7863, 12679, 15726, 25358, 38037, 76074, 81251, 162502, 243753, 487506, 1071989, 2143978, 3215967, 6431934, 33231659, 66463318, 99694977, 199389954]

約数ペア:

[(1, 199389954), (2, 99694977), (3, 66463318), (6, 33231659), (31, 6431934), (62, 3215967), (93, 2143978), (186, 1071989), (409, 487506), (818, 243753), (1227, 162502), (2454, 81251), (2621, 76074), (5242, 38037), (7863, 25358), (12679, 15726)]