217981596

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{953}}^1$

素因数の和:1363

約数の個数: 72

約数和(自身を含む): 593807760

約数和(自身を除く): 375826164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 389, 588, 778, 953, 1167, 1556, 1906, 2334, 2723, 2859, 3812, 4668, 5446, 5718, 6671, 8169, 10892, 11436, 13342, 16338, 19061, 20013, 26684, 32676, 38122, 40026, 46697, 57183, 76244, 80052, 93394, 114366, 140091, 186788, 228732, 280182, 370717, 560364, 741434, 1112151, 1482868, 2224302, 2595019, 4448604, 5190038, 7785057, 10380076, 15570114, 18165133, 31140228, 36330266, 54495399, 72660532, 108990798, 217981596]

約数ペア:

[(1, 217981596), (2, 108990798), (3, 72660532), (4, 54495399), (6, 36330266), (7, 31140228), (12, 18165133), (14, 15570114), (21, 10380076), (28, 7785057), (42, 5190038), (49, 4448604), (84, 2595019), (98, 2224302), (147, 1482868), (196, 1112151), (294, 741434), (389, 560364), (588, 370717), (778, 280182), (953, 228732), (1167, 186788), (1556, 140091), (1906, 114366), (2334, 93394), (2723, 80052), (2859, 76244), (3812, 57183), (4668, 46697), (5446, 40026), (5718, 38122), (6671, 32676), (8169, 26684), (10892, 20013), (11436, 19061), (13342, 16338)]