396453808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{2731}}^1$

素因数の和:2993

約数の個数: 40

約数和(自身を含む): 790006976

約数和(自身を除く): 393553168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 211, 344, 422, 688, 844, 1688, 2731, 3376, 5462, 9073, 10924, 18146, 21848, 36292, 43696, 72584, 117433, 145168, 234866, 469732, 576241, 939464, 1152482, 1878928, 2304964, 4609928, 9219856, 24778363, 49556726, 99113452, 198226904, 396453808]

約数ペア:

[(1, 396453808), (2, 198226904), (4, 99113452), (8, 49556726), (16, 24778363), (43, 9219856), (86, 4609928), (172, 2304964), (211, 1878928), (344, 1152482), (422, 939464), (688, 576241), (844, 469732), (1688, 234866), (2731, 145168), (3376, 117433), (5462, 72584), (9073, 43696), (10924, 36292), (18146, 21848)]