336394760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{646913}}^1$

素因数の和:646937

約数の個数: 32

約数和(自身を含む): 815111640

約数和(自身を除く): 478716880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 646913, 1293826, 2587652, 3234565, 5175304, 6469130, 8409869, 12938260, 16819738, 25876520, 33639476, 42049345, 67278952, 84098690, 168197380, 336394760]

約数ペア:

[(1, 336394760), (2, 168197380), (4, 84098690), (5, 67278952), (8, 42049345), (10, 33639476), (13, 25876520), (20, 16819738), (26, 12938260), (40, 8409869), (52, 6469130), (65, 5175304), (104, 3234565), (130, 2587652), (260, 1293826), (520, 646913)]