401778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 1002456

約数和(自身を除く): 600678

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 101, 102, 117, 153, 202, 221, 234, 303, 306, 442, 606, 663, 909, 1313, 1326, 1717, 1818, 1989, 2626, 3434, 3939, 3978, 5151, 7878, 10302, 11817, 15453, 22321, 23634, 30906, 44642, 66963, 133926, 200889, 401778]

約数ペア:

[(1, 401778), (2, 200889), (3, 133926), (6, 66963), (9, 44642), (13, 30906), (17, 23634), (18, 22321), (26, 15453), (34, 11817), (39, 10302), (51, 7878), (78, 5151), (101, 3978), (102, 3939), (117, 3434), (153, 2626), (202, 1989), (221, 1818), (234, 1717), (303, 1326), (306, 1313), (442, 909), (606, 663)]