639132

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 1707552

約数和(自身を除く): 1068420

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 241, 442, 482, 663, 723, 884, 964, 1326, 1446, 2652, 2892, 3133, 4097, 6266, 8194, 9399, 12291, 12532, 16388, 18798, 24582, 37596, 49164, 53261, 106522, 159783, 213044, 319566, 639132]

約数ペア:

[(1, 639132), (2, 319566), (3, 213044), (4, 159783), (6, 106522), (12, 53261), (13, 49164), (17, 37596), (26, 24582), (34, 18798), (39, 16388), (51, 12532), (52, 12291), (68, 9399), (78, 8194), (102, 6266), (156, 4097), (204, 3133), (221, 2892), (241, 2652), (442, 1446), (482, 1326), (663, 964), (723, 884)]