285428572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 628689600

約数和(自身を除く): 343261028

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 149, 187, 197, 221, 286, 298, 374, 394, 442, 572, 596, 748, 788, 884, 1639, 1937, 2167, 2431, 2533, 2561, 3278, 3349, 3874, 4334, 4862, 5066, 5122, 6556, 6698, 7748, 8668, 9724, 10132, 10244, 13396, 21307, 27863, 28171, 29353, 32929, 36839, 42614, 43537, 55726, 56342, 58706, 65858, 73678, 85228, 87074, 111452, 112684, 117412, 131716, 147356, 174148, 322883, 362219, 381589, 478907, 499001, 645766, 724438, 763178, 957814, 998002, 1291532, 1448876, 1526356, 1915628, 1996004, 4197479, 5489011, 6487013, 8394958, 10978022, 12974026, 16789916, 21956044, 25948052, 71357143, 142714286, 285428572]

約数ペア:

[(1, 285428572), (2, 142714286), (4, 71357143), (11, 25948052), (13, 21956044), (17, 16789916), (22, 12974026), (26, 10978022), (34, 8394958), (44, 6487013), (52, 5489011), (68, 4197479), (143, 1996004), (149, 1915628), (187, 1526356), (197, 1448876), (221, 1291532), (286, 998002), (298, 957814), (374, 763178), (394, 724438), (442, 645766), (572, 499001), (596, 478907), (748, 381589), (788, 362219), (884, 322883), (1639, 174148), (1937, 147356), (2167, 131716), (2431, 117412), (2533, 112684), (2561, 111452), (3278, 87074), (3349, 85228), (3874, 73678), (4334, 65858), (4862, 58706), (5066, 56342), (5122, 55726), (6556, 43537), (6698, 42614), (7748, 36839), (8668, 32929), (9724, 29353), (10132, 28171), (10244, 27863), (13396, 21307)]