681428608

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24533}}^1$

素因数の和:24585

約数の個数: 64

約数和(自身を含む): 1601579520

約数和(自身を除く): 920150912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 6944, 13888, 24533, 27776, 49066, 98132, 171731, 196264, 343462, 392528, 686924, 760523, 785056, 1373848, 1521046, 1570112, 2747696, 3042092, 3140224, 5323661, 5495392, 6084184, 10647322, 10990784, 12168368, 21294644, 21981568, 24336736, 42589288, 48673472, 85178576, 97346944, 170357152, 340714304, 681428608]

約数ペア:

[(1, 681428608), (2, 340714304), (4, 170357152), (7, 97346944), (8, 85178576), (14, 48673472), (16, 42589288), (28, 24336736), (31, 21981568), (32, 21294644), (56, 12168368), (62, 10990784), (64, 10647322), (112, 6084184), (124, 5495392), (128, 5323661), (217, 3140224), (224, 3042092), (248, 2747696), (434, 1570112), (448, 1521046), (496, 1373848), (868, 785056), (896, 760523), (992, 686924), (1736, 392528), (1984, 343462), (3472, 196264), (3968, 171731), (6944, 98132), (13888, 49066), (24533, 27776)]