198449566

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 377856000

約数和(自身を除く): 179406434

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 163, 199, 266, 322, 326, 398, 437, 874, 1141, 1393, 2282, 2786, 3059, 3097, 3749, 3781, 4577, 6118, 6194, 7498, 7562, 9154, 21679, 26243, 26467, 32039, 32437, 43358, 52486, 52934, 64078, 64874, 71231, 86963, 142462, 173926, 227059, 454118, 498617, 608741, 616303, 746051, 997234, 1217482, 1232606, 1492102, 4314121, 5222357, 8628242, 10444714, 14174969, 28349938, 99224783, 198449566]

約数ペア:

[(1, 198449566), (2, 99224783), (7, 28349938), (14, 14174969), (19, 10444714), (23, 8628242), (38, 5222357), (46, 4314121), (133, 1492102), (161, 1232606), (163, 1217482), (199, 997234), (266, 746051), (322, 616303), (326, 608741), (398, 498617), (437, 454118), (874, 227059), (1141, 173926), (1393, 142462), (2282, 86963), (2786, 71231), (3059, 64874), (3097, 64078), (3749, 52934), (3781, 52486), (4577, 43358), (6118, 32437), (6194, 32039), (7498, 26467), (7562, 26243), (9154, 21679)]