28561338

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 72

約数和(自身を含む): 68943420

約数和(自身を除く): 40382082

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 169, 229, 234, 246, 338, 369, 458, 507, 533, 687, 738, 1014, 1066, 1374, 1521, 1599, 2061, 2977, 3042, 3198, 4122, 4797, 5954, 6929, 8931, 9389, 9594, 13858, 17862, 18778, 20787, 26793, 28167, 38701, 41574, 53586, 56334, 62361, 77402, 84501, 116103, 122057, 124722, 169002, 232206, 244114, 348309, 366171, 696618, 732342, 1098513, 1586741, 2197026, 3173482, 4760223, 9520446, 14280669, 28561338]

約数ペア:

[(1, 28561338), (2, 14280669), (3, 9520446), (6, 4760223), (9, 3173482), (13, 2197026), (18, 1586741), (26, 1098513), (39, 732342), (41, 696618), (78, 366171), (82, 348309), (117, 244114), (123, 232206), (169, 169002), (229, 124722), (234, 122057), (246, 116103), (338, 84501), (369, 77402), (458, 62361), (507, 56334), (533, 53586), (687, 41574), (738, 38701), (1014, 28167), (1066, 26793), (1374, 20787), (1521, 18778), (1599, 17862), (2061, 13858), (2977, 9594), (3042, 9389), (3198, 8931), (4122, 6929), (4797, 5954)]