221446728

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{43319}}^1$

素因数の和:43402

約数の個数: 48

約数和(自身を含む): 608212800

約数和(自身を除く): 386766072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 43319, 86638, 129957, 173276, 259914, 346552, 389871, 519828, 779742, 1039656, 1559484, 3075649, 3118968, 6151298, 9226947, 12302596, 18453894, 24605192, 27680841, 36907788, 55361682, 73815576, 110723364, 221446728]

約数ペア:

[(1, 221446728), (2, 110723364), (3, 73815576), (4, 55361682), (6, 36907788), (8, 27680841), (9, 24605192), (12, 18453894), (18, 12302596), (24, 9226947), (36, 6151298), (71, 3118968), (72, 3075649), (142, 1559484), (213, 1039656), (284, 779742), (426, 519828), (568, 389871), (639, 346552), (852, 259914), (1278, 173276), (1704, 129957), (2556, 86638), (5112, 43319)]