217114492

素因数分解:

$2^2\times 7^2\times {\mathrm{1107727}}^1$

素因数の和:1107745

約数の個数: 18

約数和(自身を含む): 441983472

約数和(自身を除く): 224868980

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1107727, 2215454, 4430908, 7754089, 15508178, 31016356, 54278623, 108557246, 217114492]

約数ペア:

[(1, 217114492), (2, 108557246), (4, 54278623), (7, 31016356), (14, 15508178), (28, 7754089), (49, 4430908), (98, 2215454), (196, 1107727)]