688971904

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 1399858200

約数和(自身を除く): 710886296

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 137, 202, 274, 389, 404, 548, 778, 808, 1096, 1556, 1616, 2192, 3112, 3232, 4384, 6224, 6464, 8768, 12448, 12928, 13837, 17536, 24896, 27674, 39289, 49792, 53293, 55348, 78578, 106586, 110696, 157156, 213172, 221392, 314312, 426344, 442784, 628624, 852688, 885568, 1257248, 1705376, 1771136, 2514496, 3410752, 5028992, 5382593, 6821504, 10765186, 21530372, 43060744, 86121488, 172242976, 344485952, 688971904]

約数ペア:

[(1, 688971904), (2, 344485952), (4, 172242976), (8, 86121488), (16, 43060744), (32, 21530372), (64, 10765186), (101, 6821504), (128, 5382593), (137, 5028992), (202, 3410752), (274, 2514496), (389, 1771136), (404, 1705376), (548, 1257248), (778, 885568), (808, 852688), (1096, 628624), (1556, 442784), (1616, 426344), (2192, 314312), (3112, 221392), (3232, 213172), (4384, 157156), (6224, 110696), (6464, 106586), (8768, 78578), (12448, 55348), (12928, 53293), (13837, 49792), (17536, 39289), (24896, 27674)]