218947652

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1109}}^1$

素因数の和:1772

約数の個数: 48

約数和(自身を含む): 478880640

約数和(自身を除く): 259932988

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 641, 1109, 1282, 2218, 2564, 4436, 4487, 7051, 7763, 8974, 12199, 14102, 15526, 17948, 24398, 28204, 31052, 48796, 49357, 85393, 98714, 170786, 197428, 341572, 710869, 1421738, 2843476, 4976083, 7819559, 9952166, 15639118, 19904332, 31278236, 54736913, 109473826, 218947652]

約数ペア:

[(1, 218947652), (2, 109473826), (4, 54736913), (7, 31278236), (11, 19904332), (14, 15639118), (22, 9952166), (28, 7819559), (44, 4976083), (77, 2843476), (154, 1421738), (308, 710869), (641, 341572), (1109, 197428), (1282, 170786), (2218, 98714), (2564, 85393), (4436, 49357), (4487, 48796), (7051, 31052), (7763, 28204), (8974, 24398), (12199, 17948), (14102, 15526)]