28520492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 71124480

約数和(自身を除く): 42603988

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 68, 77, 91, 119, 143, 154, 182, 187, 221, 238, 286, 308, 364, 374, 419, 442, 476, 572, 748, 838, 884, 1001, 1309, 1547, 1676, 2002, 2431, 2618, 2933, 3094, 4004, 4609, 4862, 5236, 5447, 5866, 6188, 7123, 9218, 9724, 10894, 11732, 14246, 17017, 18436, 21788, 28492, 32263, 34034, 38129, 49861, 59917, 64526, 68068, 76258, 78353, 92599, 99722, 119834, 129052, 152516, 156706, 185198, 199444, 239668, 313412, 370396, 419419, 548471, 648193, 838838, 1018589, 1096942, 1296386, 1677676, 2037178, 2193884, 2592772, 4074356, 7130123, 14260246, 28520492]

約数ペア:

[(1, 28520492), (2, 14260246), (4, 7130123), (7, 4074356), (11, 2592772), (13, 2193884), (14, 2037178), (17, 1677676), (22, 1296386), (26, 1096942), (28, 1018589), (34, 838838), (44, 648193), (52, 548471), (68, 419419), (77, 370396), (91, 313412), (119, 239668), (143, 199444), (154, 185198), (182, 156706), (187, 152516), (221, 129052), (238, 119834), (286, 99722), (308, 92599), (364, 78353), (374, 76258), (419, 68068), (442, 64526), (476, 59917), (572, 49861), (748, 38129), (838, 34034), (884, 32263), (1001, 28492), (1309, 21788), (1547, 18436), (1676, 17017), (2002, 14246), (2431, 11732), (2618, 10894), (2933, 9724), (3094, 9218), (4004, 7123), (4609, 6188), (4862, 5866), (5236, 5447)]