72280278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4127}}^1$

素因数の和:4281

約数の個数: 48

約数和(自身を含む): 180311040

約数和(自身を除く): 108030762

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1251, 1946, 2502, 2919, 4127, 5838, 8254, 8757, 12381, 17514, 24762, 28889, 37143, 57778, 74286, 86667, 173334, 260001, 520002, 573653, 1147306, 1720959, 3441918, 4015571, 5162877, 8031142, 10325754, 12046713, 24093426, 36140139, 72280278]

約数ペア:

[(1, 72280278), (2, 36140139), (3, 24093426), (6, 12046713), (7, 10325754), (9, 8031142), (14, 5162877), (18, 4015571), (21, 3441918), (42, 1720959), (63, 1147306), (126, 573653), (139, 520002), (278, 260001), (417, 173334), (834, 86667), (973, 74286), (1251, 57778), (1946, 37143), (2502, 28889), (2919, 24762), (4127, 17514), (5838, 12381), (8254, 8757)]