28241928

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 90782640

約数和(自身を除く): 62540712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 156, 169, 198, 211, 234, 264, 286, 312, 338, 396, 422, 429, 468, 507, 572, 633, 676, 792, 844, 858, 936, 1014, 1144, 1266, 1287, 1352, 1521, 1688, 1716, 1859, 1899, 2028, 2321, 2532, 2574, 2743, 3042, 3432, 3718, 3798, 4056, 4642, 5064, 5148, 5486, 5577, 6084, 6963, 7436, 7596, 8229, 9284, 10296, 10972, 11154, 12168, 13926, 14872, 15192, 16458, 16731, 18568, 20889, 21944, 22308, 24687, 27852, 30173, 32916, 33462, 35659, 41778, 44616, 49374, 55704, 60346, 65832, 66924, 71318, 83556, 90519, 98748, 106977, 120692, 133848, 142636, 167112, 181038, 197496, 213954, 241384, 271557, 285272, 320931, 362076, 392249, 427908, 543114, 641862, 724152, 784498, 855816, 1086228, 1176747, 1283724, 1568996, 2172456, 2353494, 2567448, 3137992, 3530241, 4706988, 7060482, 9413976, 14120964, 28241928]

約数ペア:

[(1, 28241928), (2, 14120964), (3, 9413976), (4, 7060482), (6, 4706988), (8, 3530241), (9, 3137992), (11, 2567448), (12, 2353494), (13, 2172456), (18, 1568996), (22, 1283724), (24, 1176747), (26, 1086228), (33, 855816), (36, 784498), (39, 724152), (44, 641862), (52, 543114), (66, 427908), (72, 392249), (78, 362076), (88, 320931), (99, 285272), (104, 271557), (117, 241384), (132, 213954), (143, 197496), (156, 181038), (169, 167112), (198, 142636), (211, 133848), (234, 120692), (264, 106977), (286, 98748), (312, 90519), (338, 83556), (396, 71318), (422, 66924), (429, 65832), (468, 60346), (507, 55704), (572, 49374), (633, 44616), (676, 41778), (792, 35659), (844, 33462), (858, 32916), (936, 30173), (1014, 27852), (1144, 24687), (1266, 22308), (1287, 21944), (1352, 20889), (1521, 18568), (1688, 16731), (1716, 16458), (1859, 15192), (1899, 14872), (2028, 13926), (2321, 12168), (2532, 11154), (2574, 10972), (2743, 10296), (3042, 9284), (3432, 8229), (3718, 7596), (3798, 7436), (4056, 6963), (4642, 6084), (5064, 5577), (5148, 5486)]