209736828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1319}}^1$

素因数の和:1967

約数の個数: 72

約数和(自身を含む): 607326720

約数和(自身を除く): 397589892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 631, 1262, 1319, 1893, 2524, 2638, 3786, 3957, 4417, 5276, 5679, 7572, 7914, 8834, 9233, 11358, 11871, 13251, 15828, 17668, 18466, 22716, 23742, 26502, 27699, 36932, 39753, 47484, 53004, 55398, 79506, 83097, 110796, 159012, 166194, 332388, 832289, 1664578, 2496867, 3329156, 4993734, 5826023, 7490601, 9987468, 11652046, 14981202, 17478069, 23304092, 29962404, 34956138, 52434207, 69912276, 104868414, 209736828]

約数ペア:

[(1, 209736828), (2, 104868414), (3, 69912276), (4, 52434207), (6, 34956138), (7, 29962404), (9, 23304092), (12, 17478069), (14, 14981202), (18, 11652046), (21, 9987468), (28, 7490601), (36, 5826023), (42, 4993734), (63, 3329156), (84, 2496867), (126, 1664578), (252, 832289), (631, 332388), (1262, 166194), (1319, 159012), (1893, 110796), (2524, 83097), (2638, 79506), (3786, 55398), (3957, 53004), (4417, 47484), (5276, 39753), (5679, 36932), (7572, 27699), (7914, 26502), (8834, 23742), (9233, 22716), (11358, 18466), (11871, 17668), (13251, 15828)]