199890838

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{1091}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 358525440

約数和(自身を除く): 158634602

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 569, 1091, 1138, 2182, 3983, 7637, 7966, 13087, 15274, 25093, 26174, 50186, 91609, 175651, 183218, 351302, 620779, 1241558, 4345453, 8690906, 14277917, 28555834, 99945419, 199890838]

約数ペア:

[(1, 199890838), (2, 99945419), (7, 28555834), (14, 14277917), (23, 8690906), (46, 4345453), (161, 1241558), (322, 620779), (569, 351302), (1091, 183218), (1138, 175651), (2182, 91609), (3983, 50186), (7637, 26174), (7966, 25093), (13087, 15274)]