490613976

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{31991}}^1$

素因数の和:32077

約数の個数: 64

約数和(自身を含む): 1382054400

約数和(自身を除く): 891440424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1704, 1917, 2556, 3834, 5112, 7668, 15336, 31991, 63982, 95973, 127964, 191946, 255928, 287919, 383892, 575838, 767784, 863757, 1151676, 1727514, 2271361, 2303352, 3455028, 4542722, 6814083, 6910056, 9085444, 13628166, 18170888, 20442249, 27256332, 40884498, 54512664, 61326747, 81768996, 122653494, 163537992, 245306988, 490613976]

約数ペア:

[(1, 490613976), (2, 245306988), (3, 163537992), (4, 122653494), (6, 81768996), (8, 61326747), (9, 54512664), (12, 40884498), (18, 27256332), (24, 20442249), (27, 18170888), (36, 13628166), (54, 9085444), (71, 6910056), (72, 6814083), (108, 4542722), (142, 3455028), (213, 2303352), (216, 2271361), (284, 1727514), (426, 1151676), (568, 863757), (639, 767784), (852, 575838), (1278, 383892), (1704, 287919), (1917, 255928), (2556, 191946), (3834, 127964), (5112, 95973), (7668, 63982), (15336, 31991)]