389619519

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 542868480

約数和(自身を除く): 153248961

約数列:

[1, 3, 47, 101, 109, 141, 251, 303, 327, 753, 4747, 5123, 11009, 11797, 14241, 15369, 25351, 27359, 33027, 35391, 76053, 82077, 517423, 1191497, 1285873, 1552269, 2763259, 3574491, 3857619, 8289777, 129873173, 389619519]

約数ペア:

[(1, 389619519), (3, 129873173), (47, 8289777), (101, 3857619), (109, 3574491), (141, 2763259), (251, 1552269), (303, 1285873), (327, 1191497), (753, 517423), (4747, 82077), (5123, 76053), (11009, 35391), (11797, 33027), (14241, 27359), (15369, 25351)]