213507896

素因数分解:

$2^3\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 518400000

約数和(自身を除く): 304892104

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 49, 56, 68, 92, 98, 119, 136, 161, 184, 196, 199, 238, 322, 343, 391, 392, 398, 476, 644, 686, 782, 796, 833, 952, 1127, 1288, 1372, 1393, 1564, 1592, 1666, 2254, 2737, 2744, 2786, 3128, 3332, 3383, 4508, 4577, 5474, 5572, 5831, 6664, 6766, 7889, 9016, 9154, 9751, 10948, 11144, 11662, 13532, 15778, 18308, 19159, 19502, 21896, 23324, 23681, 27064, 31556, 32039, 36616, 38318, 39004, 46648, 47362, 63112, 64078, 68257, 76636, 77809, 78008, 94724, 128156, 134113, 136514, 153272, 155618, 165767, 189448, 224273, 256312, 268226, 273028, 311236, 331534, 448546, 536452, 544663, 546056, 622472, 663068, 897092, 1072904, 1089326, 1160369, 1326136, 1569911, 1794184, 2178652, 2320738, 3139822, 3812641, 4357304, 4641476, 6279644, 7625282, 9282952, 12559288, 15250564, 26688487, 30501128, 53376974, 106753948, 213507896]

約数ペア:

[(1, 213507896), (2, 106753948), (4, 53376974), (7, 30501128), (8, 26688487), (14, 15250564), (17, 12559288), (23, 9282952), (28, 7625282), (34, 6279644), (46, 4641476), (49, 4357304), (56, 3812641), (68, 3139822), (92, 2320738), (98, 2178652), (119, 1794184), (136, 1569911), (161, 1326136), (184, 1160369), (196, 1089326), (199, 1072904), (238, 897092), (322, 663068), (343, 622472), (391, 546056), (392, 544663), (398, 536452), (476, 448546), (644, 331534), (686, 311236), (782, 273028), (796, 268226), (833, 256312), (952, 224273), (1127, 189448), (1288, 165767), (1372, 155618), (1393, 153272), (1564, 136514), (1592, 134113), (1666, 128156), (2254, 94724), (2737, 78008), (2744, 77809), (2786, 76636), (3128, 68257), (3332, 64078), (3383, 63112), (4508, 47362), (4577, 46648), (5474, 39004), (5572, 38318), (5831, 36616), (6664, 32039), (6766, 31556), (7889, 27064), (9016, 23681), (9154, 23324), (9751, 21896), (10948, 19502), (11144, 19159), (11662, 18308), (13532, 15778)]