291238844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{51383}}^1$

素因数の和:51509

約数の個数: 24

約数和(自身を含む): 553919520

約数和(自身を除く): 262680676

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 51383, 102766, 205532, 667979, 1335958, 2671916, 5600747, 11201494, 22402988, 72809711, 145619422, 291238844]

約数ペア:

[(1, 291238844), (2, 145619422), (4, 72809711), (13, 22402988), (26, 11201494), (52, 5600747), (109, 2671916), (218, 1335958), (436, 667979), (1417, 205532), (2834, 102766), (5668, 51383)]