390181376

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 120

約数和(自身を含む): 881748252

約数和(自身を除く): 491566876

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 61, 62, 64, 104, 122, 124, 128, 208, 244, 248, 256, 403, 416, 488, 496, 512, 793, 806, 832, 961, 976, 992, 1586, 1612, 1664, 1891, 1922, 1952, 1984, 3172, 3224, 3328, 3782, 3844, 3904, 3968, 6344, 6448, 6656, 7564, 7688, 7808, 7936, 12493, 12688, 12896, 15128, 15376, 15616, 15872, 24583, 24986, 25376, 25792, 30256, 30752, 31232, 49166, 49972, 50752, 51584, 58621, 60512, 61504, 98332, 99944, 101504, 103168, 117242, 121024, 123008, 196664, 199888, 203008, 206336, 234484, 242048, 246016, 393328, 399776, 406016, 468968, 484096, 492032, 762073, 786656, 799552, 937936, 968192, 1524146, 1573312, 1599104, 1875872, 3048292, 3146624, 3198208, 3751744, 6096584, 6293248, 6396416, 7503488, 12193168, 12586496, 15006976, 24386336, 30013952, 48772672, 97545344, 195090688, 390181376]

約数ペア:

[(1, 390181376), (2, 195090688), (4, 97545344), (8, 48772672), (13, 30013952), (16, 24386336), (26, 15006976), (31, 12586496), (32, 12193168), (52, 7503488), (61, 6396416), (62, 6293248), (64, 6096584), (104, 3751744), (122, 3198208), (124, 3146624), (128, 3048292), (208, 1875872), (244, 1599104), (248, 1573312), (256, 1524146), (403, 968192), (416, 937936), (488, 799552), (496, 786656), (512, 762073), (793, 492032), (806, 484096), (832, 468968), (961, 406016), (976, 399776), (992, 393328), (1586, 246016), (1612, 242048), (1664, 234484), (1891, 206336), (1922, 203008), (1952, 199888), (1984, 196664), (3172, 123008), (3224, 121024), (3328, 117242), (3782, 103168), (3844, 101504), (3904, 99944), (3968, 98332), (6344, 61504), (6448, 60512), (6656, 58621), (7564, 51584), (7688, 50752), (7808, 49972), (7936, 49166), (12493, 31232), (12688, 30752), (12896, 30256), (15128, 25792), (15376, 25376), (15616, 24986), (15872, 24583)]