281587716

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1021}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 732111744

約数和(自身を除く): 450524028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 163, 188, 282, 326, 423, 489, 564, 652, 846, 978, 1021, 1467, 1692, 1956, 2042, 2934, 3063, 4084, 5868, 6126, 7661, 9189, 12252, 15322, 18378, 22983, 30644, 36756, 45966, 47987, 68949, 91932, 95974, 137898, 143961, 166423, 191948, 275796, 287922, 332846, 431883, 499269, 575844, 665692, 863766, 998538, 1497807, 1727532, 1997076, 2995614, 5991228, 7821881, 15643762, 23465643, 31287524, 46931286, 70396929, 93862572, 140793858, 281587716]

約数ペア:

[(1, 281587716), (2, 140793858), (3, 93862572), (4, 70396929), (6, 46931286), (9, 31287524), (12, 23465643), (18, 15643762), (36, 7821881), (47, 5991228), (94, 2995614), (141, 1997076), (163, 1727532), (188, 1497807), (282, 998538), (326, 863766), (423, 665692), (489, 575844), (564, 499269), (652, 431883), (846, 332846), (978, 287922), (1021, 275796), (1467, 191948), (1692, 166423), (1956, 143961), (2042, 137898), (2934, 95974), (3063, 91932), (4084, 68949), (5868, 47987), (6126, 45966), (7661, 36756), (9189, 30644), (12252, 22983), (15322, 18378)]