644580768

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16661}}^1$

素因数の和:16718

約数の個数: 96

約数和(自身を含む): 1881073152

約数和(自身を除く): 1236492384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 78, 93, 96, 104, 124, 156, 186, 208, 248, 312, 372, 403, 416, 496, 624, 744, 806, 992, 1209, 1248, 1488, 1612, 2418, 2976, 3224, 4836, 6448, 9672, 12896, 16661, 19344, 33322, 38688, 49983, 66644, 99966, 133288, 199932, 216593, 266576, 399864, 433186, 516491, 533152, 649779, 799728, 866372, 1032982, 1299558, 1549473, 1599456, 1732744, 2065964, 2599116, 3098946, 3465488, 4131928, 5198232, 6197892, 6714383, 6930976, 8263856, 10396464, 12395784, 13428766, 16527712, 20143149, 20792928, 24791568, 26857532, 40286298, 49583136, 53715064, 80572596, 107430128, 161145192, 214860256, 322290384, 644580768]

約数ペア:

[(1, 644580768), (2, 322290384), (3, 214860256), (4, 161145192), (6, 107430128), (8, 80572596), (12, 53715064), (13, 49583136), (16, 40286298), (24, 26857532), (26, 24791568), (31, 20792928), (32, 20143149), (39, 16527712), (48, 13428766), (52, 12395784), (62, 10396464), (78, 8263856), (93, 6930976), (96, 6714383), (104, 6197892), (124, 5198232), (156, 4131928), (186, 3465488), (208, 3098946), (248, 2599116), (312, 2065964), (372, 1732744), (403, 1599456), (416, 1549473), (496, 1299558), (624, 1032982), (744, 866372), (806, 799728), (992, 649779), (1209, 533152), (1248, 516491), (1488, 433186), (1612, 399864), (2418, 266576), (2976, 216593), (3224, 199932), (4836, 133288), (6448, 99966), (9672, 66644), (12896, 49983), (16661, 38688), (19344, 33322)]