641912474

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 1198374912

約数和(自身を除く): 556462438

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 107, 161, 214, 217, 322, 434, 601, 713, 749, 1202, 1426, 1498, 2461, 3317, 4207, 4922, 4991, 6634, 8414, 9982, 13823, 17227, 18631, 23219, 27646, 34454, 37262, 46438, 64307, 76291, 96761, 128614, 130417, 152582, 193522, 260834, 428513, 450149, 534037, 857026, 900298, 1068074, 1479061, 1993517, 2958122, 2999591, 3987034, 5999182, 10353427, 13954619, 20706854, 27909238, 45850891, 91701782, 320956237, 641912474]

約数ペア:

[(1, 641912474), (2, 320956237), (7, 91701782), (14, 45850891), (23, 27909238), (31, 20706854), (46, 13954619), (62, 10353427), (107, 5999182), (161, 3987034), (214, 2999591), (217, 2958122), (322, 1993517), (434, 1479061), (601, 1068074), (713, 900298), (749, 857026), (1202, 534037), (1426, 450149), (1498, 428513), (2461, 260834), (3317, 193522), (4207, 152582), (4922, 130417), (4991, 128614), (6634, 96761), (8414, 76291), (9982, 64307), (13823, 46438), (17227, 37262), (18631, 34454), (23219, 27646)]