28498610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 63258624

約数和(自身を除く): 34760014

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 322, 434, 571, 713, 805, 1085, 1142, 1426, 1610, 2170, 2855, 3565, 3997, 4991, 5710, 7130, 7994, 9982, 13133, 17701, 19985, 24955, 26266, 35402, 39970, 49910, 65665, 88505, 91931, 123907, 131330, 177010, 183862, 247814, 407123, 459655, 619535, 814246, 919310, 1239070, 2035615, 2849861, 4071230, 5699722, 14249305, 28498610]

約数ペア:

[(1, 28498610), (2, 14249305), (5, 5699722), (7, 4071230), (10, 2849861), (14, 2035615), (23, 1239070), (31, 919310), (35, 814246), (46, 619535), (62, 459655), (70, 407123), (115, 247814), (155, 183862), (161, 177010), (217, 131330), (230, 123907), (310, 91931), (322, 88505), (434, 65665), (571, 49910), (713, 39970), (805, 35402), (1085, 26266), (1142, 24955), (1426, 19985), (1610, 17701), (2170, 13133), (2855, 9982), (3565, 7994), (3997, 7130), (4991, 5710)]