215461708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{3137}}^1$

素因数の和:3382

約数の個数: 48

約数和(自身を含む): 472356864

約数和(自身を除く): 256895156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 223, 308, 446, 892, 1561, 2453, 3122, 3137, 4906, 6244, 6274, 9812, 12548, 17171, 21959, 34342, 34507, 43918, 68684, 69014, 87836, 138028, 241549, 483098, 699551, 966196, 1399102, 2798204, 4896857, 7695061, 9793714, 15390122, 19587428, 30780244, 53865427, 107730854, 215461708]

約数ペア:

[(1, 215461708), (2, 107730854), (4, 53865427), (7, 30780244), (11, 19587428), (14, 15390122), (22, 9793714), (28, 7695061), (44, 4896857), (77, 2798204), (154, 1399102), (223, 966196), (308, 699551), (446, 483098), (892, 241549), (1561, 138028), (2453, 87836), (3122, 69014), (3137, 68684), (4906, 43918), (6244, 34507), (6274, 34342), (9812, 21959), (12548, 17171)]