209192172

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{991}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 569963520

約数和(自身を除く): 360771348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 359, 588, 718, 991, 1077, 1436, 1982, 2154, 2513, 2973, 3964, 4308, 5026, 5946, 6937, 7539, 10052, 11892, 13874, 15078, 17591, 20811, 27748, 30156, 35182, 41622, 48559, 52773, 70364, 83244, 97118, 105546, 145677, 194236, 211092, 291354, 355769, 582708, 711538, 1067307, 1423076, 2134614, 2490383, 4269228, 4980766, 7471149, 9961532, 14942298, 17432681, 29884596, 34865362, 52298043, 69730724, 104596086, 209192172]

約数ペア:

[(1, 209192172), (2, 104596086), (3, 69730724), (4, 52298043), (6, 34865362), (7, 29884596), (12, 17432681), (14, 14942298), (21, 9961532), (28, 7471149), (42, 4980766), (49, 4269228), (84, 2490383), (98, 2134614), (147, 1423076), (196, 1067307), (294, 711538), (359, 582708), (588, 355769), (718, 291354), (991, 211092), (1077, 194236), (1436, 145677), (1982, 105546), (2154, 97118), (2513, 83244), (2973, 70364), (3964, 52773), (4308, 48559), (5026, 41622), (5946, 35182), (6937, 30156), (7539, 27748), (10052, 20811), (11892, 17591), (13874, 15078)]