161888538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 379330560

約数和(自身を除く): 217442022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 97, 158, 194, 237, 291, 474, 503, 553, 582, 679, 1006, 1106, 1358, 1509, 1659, 2037, 3018, 3318, 3521, 4074, 7042, 7663, 10563, 15326, 21126, 22989, 39737, 45978, 48791, 53641, 79474, 97582, 107282, 119211, 146373, 160923, 238422, 278159, 292746, 321846, 341537, 556318, 683074, 834477, 1024611, 1668954, 2049222, 3854489, 7708978, 11563467, 23126934, 26981423, 53962846, 80944269, 161888538]

約数ペア:

[(1, 161888538), (2, 80944269), (3, 53962846), (6, 26981423), (7, 23126934), (14, 11563467), (21, 7708978), (42, 3854489), (79, 2049222), (97, 1668954), (158, 1024611), (194, 834477), (237, 683074), (291, 556318), (474, 341537), (503, 321846), (553, 292746), (582, 278159), (679, 238422), (1006, 160923), (1106, 146373), (1358, 119211), (1509, 107282), (1659, 97582), (2037, 79474), (3018, 53641), (3318, 48791), (3521, 45978), (4074, 39737), (7042, 22989), (7663, 21126), (10563, 15326)]