666345472

素因数分解:

$2^{13}\times {\mathrm{13}}^1\times {\mathrm{6257}}^1$

素因数の和:6296

約数の個数: 56

約数和(自身を含む): 1435347396

約数和(自身を除く): 769001924

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1664, 2048, 3328, 4096, 6257, 6656, 8192, 12514, 13312, 25028, 26624, 50056, 53248, 81341, 100112, 106496, 162682, 200224, 325364, 400448, 650728, 800896, 1301456, 1601792, 2602912, 3203584, 5205824, 6407168, 10411648, 12814336, 20823296, 25628672, 41646592, 51257344, 83293184, 166586368, 333172736, 666345472]

約数ペア:

[(1, 666345472), (2, 333172736), (4, 166586368), (8, 83293184), (13, 51257344), (16, 41646592), (26, 25628672), (32, 20823296), (52, 12814336), (64, 10411648), (104, 6407168), (128, 5205824), (208, 3203584), (256, 2602912), (416, 1601792), (512, 1301456), (832, 800896), (1024, 650728), (1664, 400448), (2048, 325364), (3328, 200224), (4096, 162682), (6257, 106496), (6656, 100112), (8192, 81341), (12514, 53248), (13312, 50056), (25028, 26624)]