208527426

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 474543360

約数和(自身を除く): 266015934

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 137, 142, 213, 274, 397, 411, 426, 639, 794, 822, 1191, 1233, 1278, 1917, 2382, 2466, 3573, 3699, 3834, 7146, 7398, 9727, 10719, 19454, 21438, 28187, 29181, 54389, 56374, 58362, 84561, 87543, 108778, 163167, 169122, 175086, 253683, 262629, 326334, 489501, 507366, 525258, 761049, 979002, 1468503, 1522098, 2937006, 3861619, 7723238, 11584857, 23169714, 34754571, 69509142, 104263713, 208527426]

約数ペア:

[(1, 208527426), (2, 104263713), (3, 69509142), (6, 34754571), (9, 23169714), (18, 11584857), (27, 7723238), (54, 3861619), (71, 2937006), (137, 1522098), (142, 1468503), (213, 979002), (274, 761049), (397, 525258), (411, 507366), (426, 489501), (639, 326334), (794, 262629), (822, 253683), (1191, 175086), (1233, 169122), (1278, 163167), (1917, 108778), (2382, 87543), (2466, 84561), (3573, 58362), (3699, 56374), (3834, 54389), (7146, 29181), (7398, 28187), (9727, 21438), (10719, 19454)]