208701612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2129}}^1$

素因数の和:2535

約数の個数: 72

約数和(自身を含む): 604749600

約数和(自身を除く): 396047988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 389, 778, 1167, 1556, 2129, 2334, 2723, 3501, 4258, 4668, 5446, 6387, 7002, 8169, 8516, 10892, 12774, 14004, 14903, 16338, 19161, 24507, 25548, 29806, 32676, 38322, 44709, 49014, 59612, 76644, 89418, 98028, 134127, 178836, 268254, 536508, 828181, 1656362, 2484543, 3312724, 4969086, 5797267, 7453629, 9938172, 11594534, 14907258, 17391801, 23189068, 29814516, 34783602, 52175403, 69567204, 104350806, 208701612]

約数ペア:

[(1, 208701612), (2, 104350806), (3, 69567204), (4, 52175403), (6, 34783602), (7, 29814516), (9, 23189068), (12, 17391801), (14, 14907258), (18, 11594534), (21, 9938172), (28, 7453629), (36, 5797267), (42, 4969086), (63, 3312724), (84, 2484543), (126, 1656362), (252, 828181), (389, 536508), (778, 268254), (1167, 178836), (1556, 134127), (2129, 98028), (2334, 89418), (2723, 76644), (3501, 59612), (4258, 49014), (4668, 44709), (5446, 38322), (6387, 32676), (7002, 29806), (8169, 25548), (8516, 24507), (10892, 19161), (12774, 16338), (14004, 14903)]